Dalton predicted
Dalton predicted Options (a) law of partial pressure (b) law of multiple proportions (c) law of diffusion (d) law of…
7 years ago
Basic Concepts of Chemistry
A bivalent metal has the equivalent weight of 12. The molecular weight
A bivalent metal has the equivalent weight of 12. The molecular weight of its oxide will be Options (a) 36…
7 years ago
Mass of 0.1 mole of methane is
Mass of 0.1 mole of methane is Options (a) 1.6 g (b) 0.1 g (c) 1 g (d) 16 g…
7 years ago
Which of the following undergoes sublimation
Which of the following undergoes sublimation Options (a) ZnCl₂ (b) CuCl₂ (c) AgCl (d) NH₄Cl Correct Answer: NH₄ClExplanation:No explanation available.…
7 years ago
Volume concentration of 1.5 N H₂O₂ is
Volume concentration of 1.5 N H₂O₂ is Options (a) 1.5 (b) 4.5 (c) 16.8 (d) 8.4 Correct Answer: 8.4Explanation:No explanation…
7 years ago
One gram mole of a gas at NTP occupies 22.4 L.This facts was derived from
One gram mole of a gas at NTP occupies 22.4 L.This facts was derived from Options (a) Law of gaseous…
7 years ago
In a metal oxide, there is 20% oxygen by weight. its equivalent weight is
In a metal oxide, there is 20% oxygen by weight. its equivalent weight is Options (a) 64 (b) 32 (c)…
7 years ago
Empirical formula of a compound is CH₂O.If its molecular weight is 180,
Empirical formula of a compound is CH₂O.If its molecular weight is 180,then the molecular formula of the compound is Options…
7 years ago
Number of molecules in one litre of water is close to
Number of molecules in one litre of water is close to Options (a) 55.5 x 6.023 x 10²³ (b) 18…
7 years ago
12 g of an alkaline earth metal gives 14.8 g of its nitride .Atomic weight of the
12 g of an alkaline earth metal gives 14.8 g of its nitride .Atomic weight of the metal is Options…
7 years ago