Question # 1

Dehydrohalogenation take place in the presence of.

Choose an answer

Aqueous NaOH

Alcoholic KOH

Aqueous KOH

Alcoholic NaOH

Which of the following salt is soluble in water.

Choose an answer

NaCl

KCl

Na₂SO₄

All of them

Mg²⁺ and Ca²⁺ ions react with soap to form calcium and magnesium salts of fatty acids called.

Choose an answer

Gelatin

Scum

Paste

None of them

Which one contains double covalent bound?

Choose an answer

Pentane

Ethylene

Acetylene

All

Guldberg and waage out forward law of mass action in:

Choose an answer

1889

1879

1869

1859

The order of reactivity of hydrogen halides with alkenes is.

Choose an answer

HI>HBr

HBr>HI

HCl>HBr

HBr < HCl

Vibrious cholera causes.

Choose an answer

Choleera

Dysentery

Fluorsis

Hepatitis

Temporary hardness is removed by adding.

Choose an answer

Quick lime

Slaked lime

Lime stone

Lime water.

When HCl and KOH is reacted the salt formed is.

Choose an answer

Acidic

Basic

Normal

Complex

Silicon occurs in the form of

Choose an answer

Silica

Silicates

both a and b

None of these

When bones are heated they give.

Choose an answer

Starch

Gelatin

Fats

Oils

Halogenation of methane on the presence of diffused sunlight takes place.

Choose an answer

Only in one step

Slowly in one step

Freshly in two steps

In a series of four steps

Equilibrium constant has no unit when number of moles of reactants and products are:

Choose an answer

same

Different

Both a and b

None of these

More Classes

Other Links

Chemistry 10th Class English Medium Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer