Distribution law was given by
Options
(a) Ostwald (b) Nernst (c) Henery (d) van’t Hoff
Correct Answer:
Nernst
Explanation:
Nernst statement: The dissolved substance distributes itself between two immiscible solvents in contact in […]
8.2 L of an ideal gas weight 9.0 gm at 300 K and 1 atm pressure. The molecular mass of the gas is
Options
(a) 9 (b) 18 (c) 27 (d) 36
Correct Answer: […]
The oxidation number of P in Mg₂P₂O₇ is
Options
(a) 2 (b) 5 (c) -3 (d) 3
Correct Answer:
5
Explanation:
No explanation available. Be the first to write the explanation for this […]
At room temperature the solid compound is
Options
(a) CO₂ (b) SiO₂ (c) NO₂ (d) SO₂
Correct Answer:
SiO₂
Explanation:
Silicon dioxide consists of continous lattice of silicon and oxygen connected by covalent […]
NaOCl is used as a bleaching agent and sterilising agent. It can be synthesized by the action of
Options
(a) NaCl with H₂O (b) NH₄Cl with NaOH (c) Cl₂ with cold and dilute […]
In the dichlorination reaction of propane, mixture of products are obtained. How many isomers, the mixture contains
Options
(a) 2 (b) 3 (c) 4 (d) 5
Correct Answer:
4
Explanation:
No explanation available. […]
A hydrocarbon contains 20% hydrogen and 80% carbon.The empirical formula is
Options
(a) CH₄ (b) CH₃ (c) CH₂ (d) CH
Correct Answer:
CH₃
Explanation:
Atomic ratio of 20% Hydrogen = 20 / 1 = […]
The orthophosphoric acid is a
Options
(a) tribasic acid (b) monobasic acid (c) tetrabasic acid (d) dibasic acid
Correct Answer:
tribasic acid
Explanation:
No explanation available. Be the first to write the […]
Froath floataton proess is used for the concentration of
Options
(a) amalgams (b) chloride ores (c) oxide ores (d) sulphide ores
Correct Answer:
sulphide ores
Explanation:
No explanation available. Be the first to […]
On palladium the adsorption of hydrogen is known as
Options
(a) reduction (b) hydrogenation (c) occlusion (d) dehydrogenation
Correct Answer:
occlusion
Explanation:
This is known as occlusion.
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