01. SOME BASIC CONCEPTS OF CHEMISTRY
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Some Basic Concepts of Chemistry

186154 In a hydrocarbon, mass ratio of hydrogen and carbon is \(1 : 3\), the empirical formula of hydrocarbon is

1 \(CH_4\)
2 \(CH_2\)
3 \(C_2H\)
4 \(CH_3\)
Some Basic Concepts of Chemistry

186155 The vapour density of a mixture containing \(NO_2\) and \(N_2O_4\) is \(27.6\). Mole fraction of \(NO_2\) in the mixture is

1 \(0.8\)
2 \(0.6\)
3 \(0.4\)
4 \(0.2\)
Some Basic Concepts of Chemistry

185613 One fermi is $...$

1 \({10^{ - 13}} \,cm\)
2 \({10^{ - 15}}\, cm\)
3 \({10^{ - 10}}\, cm\)
4 \({10^{ - 12}}\,  cm\)
Some Basic Concepts of Chemistry

185614 A picometre is written as

1 \({10^{ - 9}}\,m\)
2 \({10^{ - 10}}\,m\)
3 \({10^{ - 11}}\,m\)
4 \({10^{ - 12}}\,m\)
Some Basic Concepts of Chemistry

186154 In a hydrocarbon, mass ratio of hydrogen and carbon is \(1 : 3\), the empirical formula of hydrocarbon is

1 \(CH_4\)
2 \(CH_2\)
3 \(C_2H\)
4 \(CH_3\)
Some Basic Concepts of Chemistry

186155 The vapour density of a mixture containing \(NO_2\) and \(N_2O_4\) is \(27.6\). Mole fraction of \(NO_2\) in the mixture is

1 \(0.8\)
2 \(0.6\)
3 \(0.4\)
4 \(0.2\)
Some Basic Concepts of Chemistry

185613 One fermi is $...$

1 \({10^{ - 13}} \,cm\)
2 \({10^{ - 15}}\, cm\)
3 \({10^{ - 10}}\, cm\)
4 \({10^{ - 12}}\,  cm\)
Some Basic Concepts of Chemistry

185614 A picometre is written as

1 \({10^{ - 9}}\,m\)
2 \({10^{ - 10}}\,m\)
3 \({10^{ - 11}}\,m\)
4 \({10^{ - 12}}\,m\)
Some Basic Concepts of Chemistry

186154 In a hydrocarbon, mass ratio of hydrogen and carbon is \(1 : 3\), the empirical formula of hydrocarbon is

1 \(CH_4\)
2 \(CH_2\)
3 \(C_2H\)
4 \(CH_3\)
Some Basic Concepts of Chemistry

186155 The vapour density of a mixture containing \(NO_2\) and \(N_2O_4\) is \(27.6\). Mole fraction of \(NO_2\) in the mixture is

1 \(0.8\)
2 \(0.6\)
3 \(0.4\)
4 \(0.2\)
Some Basic Concepts of Chemistry

185613 One fermi is $...$

1 \({10^{ - 13}} \,cm\)
2 \({10^{ - 15}}\, cm\)
3 \({10^{ - 10}}\, cm\)
4 \({10^{ - 12}}\,  cm\)
Some Basic Concepts of Chemistry

185614 A picometre is written as

1 \({10^{ - 9}}\,m\)
2 \({10^{ - 10}}\,m\)
3 \({10^{ - 11}}\,m\)
4 \({10^{ - 12}}\,m\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Some Basic Concepts of Chemistry

186154 In a hydrocarbon, mass ratio of hydrogen and carbon is \(1 : 3\), the empirical formula of hydrocarbon is

1 \(CH_4\)
2 \(CH_2\)
3 \(C_2H\)
4 \(CH_3\)
Some Basic Concepts of Chemistry

186155 The vapour density of a mixture containing \(NO_2\) and \(N_2O_4\) is \(27.6\). Mole fraction of \(NO_2\) in the mixture is

1 \(0.8\)
2 \(0.6\)
3 \(0.4\)
4 \(0.2\)
Some Basic Concepts of Chemistry

185613 One fermi is $...$

1 \({10^{ - 13}} \,cm\)
2 \({10^{ - 15}}\, cm\)
3 \({10^{ - 10}}\, cm\)
4 \({10^{ - 12}}\,  cm\)
Some Basic Concepts of Chemistry

185614 A picometre is written as

1 \({10^{ - 9}}\,m\)
2 \({10^{ - 10}}\,m\)
3 \({10^{ - 11}}\,m\)
4 \({10^{ - 12}}\,m\)