00. Significant figures, Units for Measurement
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Some Basic Concepts of Chemistry

228191 The units of surface tension and viscosity of a liquid respectively are

1 $\mathrm{kg} \mathrm{m}^{-1} \mathrm{~s}^{-1}, \mathrm{~N} \mathrm{~m}^{-1}$
2 $\mathrm{N} \mathrm{m}^{-1}, \mathrm{~kg} \mathrm{~m}^{-1} \mathrm{~s}^{-1}$
3 $\mathrm{kg} \mathrm{m}^2 \mathrm{~s}^{-1}, \mathrm{~N} \mathrm{~m}^{-2}$
4 $\mathrm{N} \mathrm{m}^{-1}, \mathrm{~kg} \mathrm{~m}^2 \mathrm{~s}^{-1}$
TS-EAMCET 09.08.2021 Shift-I
Some Basic Concepts of Chemistry

228194 Match List-I with List-II
| $\begin{array}{c}\text { List-I } \\ \text { (Parameter) }\end{array}$ | | $\begin{array}{c}\text { List-II } \\ \text { (Unit) }\end{array}$ | |
| :--- | :--- | :--- | :--- |
| A. | Cell constant | 1. | $\mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$ |
| B. | Molar conductivity | 2. | Dimension less |
| C. | Conductivity | 3. | $\mathrm{~m}^{-1}$ |
| D. | $\begin{array}{l}\text { Degree of } \\ \text { dissociation of } \\ \text { electrolyte }\end{array}$ | 4 | $\mathrm{Sm}^{-1}$ |
Choose the most appropriate answer from th options given below

1 A:3, B:1, C:4, D:2
2 A:3, B:1, C:2, D:4
3 A:1, B:4, C:3, D:2
4 A:2, B:1, C:3, D:4
JEE Main 2021
Some Basic Concepts of Chemistry

228195 For a $A$ + $B$ products the rate of the reaction is given by $R a t e=K[A][B]^2$. The units of rate constant $(K)$ will be

1 $\mathrm{mol} \mathrm{L}^{-1} \mathrm{~S}^{-1}$
2 $\mathrm{L} \mathrm{mol}^{-1} \mathrm{~S}^{-1}$
3 $\mathrm{mol}^2 \mathrm{~L}^{-2} \mathrm{~S}^{-1}$
4 $\mathrm{mol}^{-2} \mathrm{~L}^2 \mathrm{~S}^{-1}$
AP EAPCET 20.08.2021 Shift-II
Some Basic Concepts of Chemistry

228197 Which of the following is the correct unit of angular momentum of an electron in an orbital of an atom?

1 $\mathrm{J}-\mathrm{s}$
2 $\mathrm{J} / \mathrm{s}$
3 $\mathrm{W} / \mathrm{s}^2$
4 $\mathrm{W} \mathrm{s}$
5 $\mathrm{J} \mathrm{s}^2$
Kerala-CEE-2019
Some Basic Concepts of Chemistry

228203 Which of the following has the dimension if $\left[\mathrm{ML}^0 \mathbf{T}^{-2}\right]$ ?

1 Coefficient of viscosity
2 Surface tension
3 Vapour pressure
4 Kinetic energy
WB-JEE-2017
NEET DIGITAL LIBRARY
Some Basic Concepts of Chemistry

228191 The units of surface tension and viscosity of a liquid respectively are

1 $\mathrm{kg} \mathrm{m}^{-1} \mathrm{~s}^{-1}, \mathrm{~N} \mathrm{~m}^{-1}$
2 $\mathrm{N} \mathrm{m}^{-1}, \mathrm{~kg} \mathrm{~m}^{-1} \mathrm{~s}^{-1}$
3 $\mathrm{kg} \mathrm{m}^2 \mathrm{~s}^{-1}, \mathrm{~N} \mathrm{~m}^{-2}$
4 $\mathrm{N} \mathrm{m}^{-1}, \mathrm{~kg} \mathrm{~m}^2 \mathrm{~s}^{-1}$
TS-EAMCET 09.08.2021 Shift-I
Some Basic Concepts of Chemistry

228194 Match List-I with List-II
| $\begin{array}{c}\text { List-I } \\ \text { (Parameter) }\end{array}$ | | $\begin{array}{c}\text { List-II } \\ \text { (Unit) }\end{array}$ | |
| :--- | :--- | :--- | :--- |
| A. | Cell constant | 1. | $\mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$ |
| B. | Molar conductivity | 2. | Dimension less |
| C. | Conductivity | 3. | $\mathrm{~m}^{-1}$ |
| D. | $\begin{array}{l}\text { Degree of } \\ \text { dissociation of } \\ \text { electrolyte }\end{array}$ | 4 | $\mathrm{Sm}^{-1}$ |
Choose the most appropriate answer from th options given below

1 A:3, B:1, C:4, D:2
2 A:3, B:1, C:2, D:4
3 A:1, B:4, C:3, D:2
4 A:2, B:1, C:3, D:4
JEE Main 2021
Some Basic Concepts of Chemistry

228195 For a $A$ + $B$ products the rate of the reaction is given by $R a t e=K[A][B]^2$. The units of rate constant $(K)$ will be

1 $\mathrm{mol} \mathrm{L}^{-1} \mathrm{~S}^{-1}$
2 $\mathrm{L} \mathrm{mol}^{-1} \mathrm{~S}^{-1}$
3 $\mathrm{mol}^2 \mathrm{~L}^{-2} \mathrm{~S}^{-1}$
4 $\mathrm{mol}^{-2} \mathrm{~L}^2 \mathrm{~S}^{-1}$
AP EAPCET 20.08.2021 Shift-II
Some Basic Concepts of Chemistry

228197 Which of the following is the correct unit of angular momentum of an electron in an orbital of an atom?

1 $\mathrm{J}-\mathrm{s}$
2 $\mathrm{J} / \mathrm{s}$
3 $\mathrm{W} / \mathrm{s}^2$
4 $\mathrm{W} \mathrm{s}$
5 $\mathrm{J} \mathrm{s}^2$
Kerala-CEE-2019
Some Basic Concepts of Chemistry

228203 Which of the following has the dimension if $\left[\mathrm{ML}^0 \mathbf{T}^{-2}\right]$ ?

1 Coefficient of viscosity
2 Surface tension
3 Vapour pressure
4 Kinetic energy
WB-JEE-2017
Join With Us for More Updates
Some Basic Concepts of Chemistry

228191 The units of surface tension and viscosity of a liquid respectively are

1 $\mathrm{kg} \mathrm{m}^{-1} \mathrm{~s}^{-1}, \mathrm{~N} \mathrm{~m}^{-1}$
2 $\mathrm{N} \mathrm{m}^{-1}, \mathrm{~kg} \mathrm{~m}^{-1} \mathrm{~s}^{-1}$
3 $\mathrm{kg} \mathrm{m}^2 \mathrm{~s}^{-1}, \mathrm{~N} \mathrm{~m}^{-2}$
4 $\mathrm{N} \mathrm{m}^{-1}, \mathrm{~kg} \mathrm{~m}^2 \mathrm{~s}^{-1}$
TS-EAMCET 09.08.2021 Shift-I
Some Basic Concepts of Chemistry

228194 Match List-I with List-II
| $\begin{array}{c}\text { List-I } \\ \text { (Parameter) }\end{array}$ | | $\begin{array}{c}\text { List-II } \\ \text { (Unit) }\end{array}$ | |
| :--- | :--- | :--- | :--- |
| A. | Cell constant | 1. | $\mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$ |
| B. | Molar conductivity | 2. | Dimension less |
| C. | Conductivity | 3. | $\mathrm{~m}^{-1}$ |
| D. | $\begin{array}{l}\text { Degree of } \\ \text { dissociation of } \\ \text { electrolyte }\end{array}$ | 4 | $\mathrm{Sm}^{-1}$ |
Choose the most appropriate answer from th options given below

1 A:3, B:1, C:4, D:2
2 A:3, B:1, C:2, D:4
3 A:1, B:4, C:3, D:2
4 A:2, B:1, C:3, D:4
JEE Main 2021
Some Basic Concepts of Chemistry

228195 For a $A$ + $B$ products the rate of the reaction is given by $R a t e=K[A][B]^2$. The units of rate constant $(K)$ will be

1 $\mathrm{mol} \mathrm{L}^{-1} \mathrm{~S}^{-1}$
2 $\mathrm{L} \mathrm{mol}^{-1} \mathrm{~S}^{-1}$
3 $\mathrm{mol}^2 \mathrm{~L}^{-2} \mathrm{~S}^{-1}$
4 $\mathrm{mol}^{-2} \mathrm{~L}^2 \mathrm{~S}^{-1}$
AP EAPCET 20.08.2021 Shift-II
Some Basic Concepts of Chemistry

228197 Which of the following is the correct unit of angular momentum of an electron in an orbital of an atom?

1 $\mathrm{J}-\mathrm{s}$
2 $\mathrm{J} / \mathrm{s}$
3 $\mathrm{W} / \mathrm{s}^2$
4 $\mathrm{W} \mathrm{s}$
5 $\mathrm{J} \mathrm{s}^2$
Kerala-CEE-2019
Some Basic Concepts of Chemistry

228203 Which of the following has the dimension if $\left[\mathrm{ML}^0 \mathbf{T}^{-2}\right]$ ?

1 Coefficient of viscosity
2 Surface tension
3 Vapour pressure
4 Kinetic energy
WB-JEE-2017
For More Updates join with Us
Some Basic Concepts of Chemistry

228191 The units of surface tension and viscosity of a liquid respectively are

1 $\mathrm{kg} \mathrm{m}^{-1} \mathrm{~s}^{-1}, \mathrm{~N} \mathrm{~m}^{-1}$
2 $\mathrm{N} \mathrm{m}^{-1}, \mathrm{~kg} \mathrm{~m}^{-1} \mathrm{~s}^{-1}$
3 $\mathrm{kg} \mathrm{m}^2 \mathrm{~s}^{-1}, \mathrm{~N} \mathrm{~m}^{-2}$
4 $\mathrm{N} \mathrm{m}^{-1}, \mathrm{~kg} \mathrm{~m}^2 \mathrm{~s}^{-1}$
TS-EAMCET 09.08.2021 Shift-I
Some Basic Concepts of Chemistry

228194 Match List-I with List-II
| $\begin{array}{c}\text { List-I } \\ \text { (Parameter) }\end{array}$ | | $\begin{array}{c}\text { List-II } \\ \text { (Unit) }\end{array}$ | |
| :--- | :--- | :--- | :--- |
| A. | Cell constant | 1. | $\mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$ |
| B. | Molar conductivity | 2. | Dimension less |
| C. | Conductivity | 3. | $\mathrm{~m}^{-1}$ |
| D. | $\begin{array}{l}\text { Degree of } \\ \text { dissociation of } \\ \text { electrolyte }\end{array}$ | 4 | $\mathrm{Sm}^{-1}$ |
Choose the most appropriate answer from th options given below

1 A:3, B:1, C:4, D:2
2 A:3, B:1, C:2, D:4
3 A:1, B:4, C:3, D:2
4 A:2, B:1, C:3, D:4
JEE Main 2021
Some Basic Concepts of Chemistry

228195 For a $A$ + $B$ products the rate of the reaction is given by $R a t e=K[A][B]^2$. The units of rate constant $(K)$ will be

1 $\mathrm{mol} \mathrm{L}^{-1} \mathrm{~S}^{-1}$
2 $\mathrm{L} \mathrm{mol}^{-1} \mathrm{~S}^{-1}$
3 $\mathrm{mol}^2 \mathrm{~L}^{-2} \mathrm{~S}^{-1}$
4 $\mathrm{mol}^{-2} \mathrm{~L}^2 \mathrm{~S}^{-1}$
AP EAPCET 20.08.2021 Shift-II
Some Basic Concepts of Chemistry

228197 Which of the following is the correct unit of angular momentum of an electron in an orbital of an atom?

1 $\mathrm{J}-\mathrm{s}$
2 $\mathrm{J} / \mathrm{s}$
3 $\mathrm{W} / \mathrm{s}^2$
4 $\mathrm{W} \mathrm{s}$
5 $\mathrm{J} \mathrm{s}^2$
Kerala-CEE-2019
Some Basic Concepts of Chemistry

228203 Which of the following has the dimension if $\left[\mathrm{ML}^0 \mathbf{T}^{-2}\right]$ ?

1 Coefficient of viscosity
2 Surface tension
3 Vapour pressure
4 Kinetic energy
WB-JEE-2017
NEET DIGITAL LIBRARY
Some Basic Concepts of Chemistry

228191 The units of surface tension and viscosity of a liquid respectively are

1 $\mathrm{kg} \mathrm{m}^{-1} \mathrm{~s}^{-1}, \mathrm{~N} \mathrm{~m}^{-1}$
2 $\mathrm{N} \mathrm{m}^{-1}, \mathrm{~kg} \mathrm{~m}^{-1} \mathrm{~s}^{-1}$
3 $\mathrm{kg} \mathrm{m}^2 \mathrm{~s}^{-1}, \mathrm{~N} \mathrm{~m}^{-2}$
4 $\mathrm{N} \mathrm{m}^{-1}, \mathrm{~kg} \mathrm{~m}^2 \mathrm{~s}^{-1}$
TS-EAMCET 09.08.2021 Shift-I
Some Basic Concepts of Chemistry

228194 Match List-I with List-II
| $\begin{array}{c}\text { List-I } \\ \text { (Parameter) }\end{array}$ | | $\begin{array}{c}\text { List-II } \\ \text { (Unit) }\end{array}$ | |
| :--- | :--- | :--- | :--- |
| A. | Cell constant | 1. | $\mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$ |
| B. | Molar conductivity | 2. | Dimension less |
| C. | Conductivity | 3. | $\mathrm{~m}^{-1}$ |
| D. | $\begin{array}{l}\text { Degree of } \\ \text { dissociation of } \\ \text { electrolyte }\end{array}$ | 4 | $\mathrm{Sm}^{-1}$ |
Choose the most appropriate answer from th options given below

1 A:3, B:1, C:4, D:2
2 A:3, B:1, C:2, D:4
3 A:1, B:4, C:3, D:2
4 A:2, B:1, C:3, D:4
JEE Main 2021
Some Basic Concepts of Chemistry

228195 For a $A$ + $B$ products the rate of the reaction is given by $R a t e=K[A][B]^2$. The units of rate constant $(K)$ will be

1 $\mathrm{mol} \mathrm{L}^{-1} \mathrm{~S}^{-1}$
2 $\mathrm{L} \mathrm{mol}^{-1} \mathrm{~S}^{-1}$
3 $\mathrm{mol}^2 \mathrm{~L}^{-2} \mathrm{~S}^{-1}$
4 $\mathrm{mol}^{-2} \mathrm{~L}^2 \mathrm{~S}^{-1}$
AP EAPCET 20.08.2021 Shift-II
Some Basic Concepts of Chemistry

228197 Which of the following is the correct unit of angular momentum of an electron in an orbital of an atom?

1 $\mathrm{J}-\mathrm{s}$
2 $\mathrm{J} / \mathrm{s}$
3 $\mathrm{W} / \mathrm{s}^2$
4 $\mathrm{W} \mathrm{s}$
5 $\mathrm{J} \mathrm{s}^2$
Kerala-CEE-2019
Some Basic Concepts of Chemistry

228203 Which of the following has the dimension if $\left[\mathrm{ML}^0 \mathbf{T}^{-2}\right]$ ?

1 Coefficient of viscosity
2 Surface tension
3 Vapour pressure
4 Kinetic energy
WB-JEE-2017