01. SOME BASIC CONCEPTS OF CHEMISTRY
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Some Basic Concepts of Chemistry

186136 What is the \(pH\) of a solution in which \(10.0\, mL\) of \(0.010\, M\) \(Sr(OH)_2\) is added to \(10.0\, mL\) of \(0.010\, M\, HCl\) ?

1 \(2.30\)
2 \(1.50\)
3 \(11.70\)
4 \(7\)
Some Basic Concepts of Chemistry

185668 \(1\) mol of \(C{H_4}\)contains

1 \(6.02 \times {10^{23}}\)atoms of \(H\)
2 \(4 \,g\) atom of Hydrogen
3 \(1.81 \times {10^{23}}\)molecules of \(C{H_4}\)
4 \(3.0 \,g\) of carbon
Some Basic Concepts of Chemistry

185729 Number of molecules in \(100\) \(ml\) of each of \({O_2},\,N{H_3}{\rm{ \,and}}\,C{O_2}\) at \(STP\) are

1 In the order \(C{O_2} < {O_2} < N{H_3}\)
2 In the order \(N{H_3} < {O_2} < C{O_2}\)
3 The same
4 \(N{H_3} = C{O_2} < {O_2}\)
Some Basic Concepts of Chemistry

185730 The molecular weight of hydrogen peroxide is \(34\). What is the unit of molecular weight

1 \(g\)
2 \(mol\)
3 \(g\,mo{l^{ - 1}}\)
4 \(mol\,{g^{ - 1}}\)
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Some Basic Concepts of Chemistry

186136 What is the \(pH\) of a solution in which \(10.0\, mL\) of \(0.010\, M\) \(Sr(OH)_2\) is added to \(10.0\, mL\) of \(0.010\, M\, HCl\) ?

1 \(2.30\)
2 \(1.50\)
3 \(11.70\)
4 \(7\)
Some Basic Concepts of Chemistry

185668 \(1\) mol of \(C{H_4}\)contains

1 \(6.02 \times {10^{23}}\)atoms of \(H\)
2 \(4 \,g\) atom of Hydrogen
3 \(1.81 \times {10^{23}}\)molecules of \(C{H_4}\)
4 \(3.0 \,g\) of carbon
Some Basic Concepts of Chemistry

185729 Number of molecules in \(100\) \(ml\) of each of \({O_2},\,N{H_3}{\rm{ \,and}}\,C{O_2}\) at \(STP\) are

1 In the order \(C{O_2} < {O_2} < N{H_3}\)
2 In the order \(N{H_3} < {O_2} < C{O_2}\)
3 The same
4 \(N{H_3} = C{O_2} < {O_2}\)
Some Basic Concepts of Chemistry

185730 The molecular weight of hydrogen peroxide is \(34\). What is the unit of molecular weight

1 \(g\)
2 \(mol\)
3 \(g\,mo{l^{ - 1}}\)
4 \(mol\,{g^{ - 1}}\)
Join With Us for More Updates
Some Basic Concepts of Chemistry

186136 What is the \(pH\) of a solution in which \(10.0\, mL\) of \(0.010\, M\) \(Sr(OH)_2\) is added to \(10.0\, mL\) of \(0.010\, M\, HCl\) ?

1 \(2.30\)
2 \(1.50\)
3 \(11.70\)
4 \(7\)
Some Basic Concepts of Chemistry

185668 \(1\) mol of \(C{H_4}\)contains

1 \(6.02 \times {10^{23}}\)atoms of \(H\)
2 \(4 \,g\) atom of Hydrogen
3 \(1.81 \times {10^{23}}\)molecules of \(C{H_4}\)
4 \(3.0 \,g\) of carbon
Some Basic Concepts of Chemistry

185729 Number of molecules in \(100\) \(ml\) of each of \({O_2},\,N{H_3}{\rm{ \,and}}\,C{O_2}\) at \(STP\) are

1 In the order \(C{O_2} < {O_2} < N{H_3}\)
2 In the order \(N{H_3} < {O_2} < C{O_2}\)
3 The same
4 \(N{H_3} = C{O_2} < {O_2}\)
Some Basic Concepts of Chemistry

185730 The molecular weight of hydrogen peroxide is \(34\). What is the unit of molecular weight

1 \(g\)
2 \(mol\)
3 \(g\,mo{l^{ - 1}}\)
4 \(mol\,{g^{ - 1}}\)
For More Updates join with Us
Some Basic Concepts of Chemistry

186136 What is the \(pH\) of a solution in which \(10.0\, mL\) of \(0.010\, M\) \(Sr(OH)_2\) is added to \(10.0\, mL\) of \(0.010\, M\, HCl\) ?

1 \(2.30\)
2 \(1.50\)
3 \(11.70\)
4 \(7\)
Some Basic Concepts of Chemistry

185668 \(1\) mol of \(C{H_4}\)contains

1 \(6.02 \times {10^{23}}\)atoms of \(H\)
2 \(4 \,g\) atom of Hydrogen
3 \(1.81 \times {10^{23}}\)molecules of \(C{H_4}\)
4 \(3.0 \,g\) of carbon
Some Basic Concepts of Chemistry

185729 Number of molecules in \(100\) \(ml\) of each of \({O_2},\,N{H_3}{\rm{ \,and}}\,C{O_2}\) at \(STP\) are

1 In the order \(C{O_2} < {O_2} < N{H_3}\)
2 In the order \(N{H_3} < {O_2} < C{O_2}\)
3 The same
4 \(N{H_3} = C{O_2} < {O_2}\)
Some Basic Concepts of Chemistry

185730 The molecular weight of hydrogen peroxide is \(34\). What is the unit of molecular weight

1 \(g\)
2 \(mol\)
3 \(g\,mo{l^{ - 1}}\)
4 \(mol\,{g^{ - 1}}\)
NEET DIGITAL LIBRARY