Question # 1

The substance used as a smoke screen in warfare is

Choose an answer

SiCl₄

PH₃

PCl₅

Acetylene

Wholer prepared urea from

Choose an answer

Ammonia

NH₄CNO

NH₃

Uric acid

The valence orbital configuration of an element with atomic number 23 is

Choose an answer

3d⁵

3d³, 4s²

3d³, 4s¹, 4p¹

3d², 4s², 4p¹

Which of the following transition metal ions will have definite value of magnetic moment?

Choose an answer

Sc³⁺

Ti³⁺

Cu⁺

Zn²⁺

Which one of the following compounds does not exist?

Choose an answer

NCl₅

AsF₅

SbCl₅

PF₅

BiCl₃on hydrolysis forms a white precipitate of

Choose an answer

Bismuthio acid

Bismuth oxychloride

Bismuth pentachloride

Bismuth hydroxide.

Water (H_2O) is liquid while hydrogen sulphide (H₂S) is a gas because

Choose an answer

Water has higher molecular weight

Hydrogen sulphide is a weak acid

Sulphure has high electronegativity than oxygen

Water molecules associate through hydrogen

The total pressure exerted by a number of non-reacting gases is equal to the sum of partial pressure of the gases under the same conditions is known as

Choose an answer

Boyle's law

Charle's law

Avogadro's law

Dalton's law

Sea weeds are important source of

Choose an answer

Iron

Chlorine

Iodine

Bromine

The isomers due to the unequal distribution of carbon atoms on either side of the functional group belonging to the same homologous series are called

Choose an answer

Functional isomers

Position isomers

Chain isomers

Metamers

Ethanol containing some methanol is called

Choose an answer

Absolute spirit

Rectified spirit

Power alcohol

Methylated spirit

Heating a micture of sodium benzoate and soda lime gives

Choose an answer

Benzene

Methane

Sodium benzoate

Calcium benzoate

The number of electrons in the M shell of the element with atomic number 24 is

Choose an answer

24

12

13

8

Bromine is obtained on a commercial scale from

Choose an answer

Caliche

Carnallite

Common satl

Cryolite

Calcium acetate when dry distilled

Choose an answer

Formaldehyde

Acetaldehyde

Acetone

Acetic anhydride

The percentage of nitrogen in urea is

Choose an answer

46

60

70

80

More Classes

Other Links

NAT II Physical Science Chemistry 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

Choose an answer

Choose an answer

Choose an answer