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INORGANIC RATIONALE

Total questions: 55

Worksheet time: 28mins

Name
Class
Date
1.

Color of gas cylinder for laughing gas

a)

Blue

b)

Black

c)

Brown

d)

Green

2.

Color of gas cylinder for helium

a)

Gray

b)

Blue

c)

Brown

d)

Black

3.

Color of gas cylinder for nitrogen

a)

Gray

b)

Blue

c)

Brown

d)

Black

4.

Cobaltous chloride aqueous solution

turns ___ when cooled

a)

Blue

b)

Green

c)

Red

d)

Pink

5.

Most stable allotrope of phosphorus

a)

Black P

b)

White P

c)

Red P

d)

Violet P

6.

Most reactive allotrope of phosphorus

a)

Black P

b)

White P

c)

Red P

d)

Violet P

7.

Most abundant element in the earth’s

crust

a)

O

b)

Si

c)

Al

d)

Fe

8.

Most abundant metal in the earth’s

crust

a)

O

b)

Si

c)

Al

d)

Fe

9.

Thallium acetate was formerly used as

a)

Stimulates formation of RBC

b)

Creams for depilatory effect

c)

Solvent in rubber industry

d)

Antiemetic during early stages of pregnancy

10.

Germanium oxide

a)

Stimulates formation of RBC

b)

Creams for depilatory effect

c)

Solvent in rubber industry

d)

Antiemetic during early stages of pregnancy

11.

Cerium oxalate

a)

Stimulates formation of RBC

b)

Creams for depilatory effect

c)

Solvent in rubber industry

d)

Antiemetic during early stages of pregnancy

12.

Ferric ferrocyanide

a)

Yellow prussiate of potash

b)

Turnbull’s blue

c)

Red prussiate of potash

d)

Prussian blue

13.

Ferrous ferricyanide

a)

Yellow prussiate of potash

b)

Turnbull’s blue

c)

Red prussiate of potash

d)

Prussian blue

14.

Sal volatile

a)

Ammonium hydroxide

b)

Ammonium chloride

c)

Ammonium carbonate

d)

Ammonium bromide

15.

Salt of hartshorn

a)

Ammonium hydroxide

b)

Ammonium chloride

c)

Ammonium carbonate

d)

Ammonium bromide

16.

Spirit of hartshorn

a)

Ammonium hydroxide

b)

Ammonium chloride

c)

Ammonium carbonate

d)

Ammonium bromide

17.

Native of magnesium silicate

a)

Talc

b)

Pumice

c)

Kaolin

d)

Purified kieselguhr

18.

of volcanic origin, complex silicates of Al, Na and K

a)

Talc

b)

Pumice

c)

Kaolin

d)

Purified kieselguhr

19.

Native hydrated aluminum silicate

a)

Talc

b)

Pumice

c)

Kaolin

d)

Purified kieselguhr

20.

Radon

a)

Radio contrast agent

b)

Anti rheumatic agent

c)

Anti neoplastic agent

d)

Antibacterial agent

21.

Auranofin

a)

Radio contrast agent

b)

Anti rheumatic agent

c)

Anti neoplastic agent

d)

Antibacterial agent

22.

Barium sulfate

a)

Radio contrast agent

b)

Anti rheumatic agent

c)

Anti neoplastic agent

d)

Antibacterial agent

23.

Used in preparation of Lister’s solution

a)

Boric acid

b)

Sodium perborate

c)

Sodium borate

d)

Ammonia

24.

Which if the following belongs to Group IV Analytical Cations?

a)

Ca+2

b)

Cd+2

c)

Co+2

d)

K+

25.

insoluble chlorides

a)

Group I

b)

Group II

c)

Group III

d)

Group IV

26.

Soluble group

a)

Group I

b)

Group VI

c)

Group V

d)

Group IV

27.

Base insoluble sulfides

a)

Group I

b)

Group II

c)

Group III

d)

Group IV

28.

Acid insoluble sulfides

a)

Group I

b)

Group II

c)

Group III

d)

Group IV

29.

Precipitant for Group III analytical cations

a)

(NH4)2CO3 + 95% Ethanol

b)

5% thioacetamide in NH3/NH4OH

c)

5% thioacetamide in HCl

d)

6M HCl

30.

Precipitant for Group I analytical cations

a)

(NH4)2CO3 + 95% Ethanol

b)

5% thioacetamide in NH3/NH4OH

c)

5% thioacetamide in HCl

d)

6M HCl

31.

Precipitant for Group IV analytical cations

a)

(NH4)2CO3 + 95% Ethanol

b)

5% thioacetamide in NH3/NH4OH

c)

5% thioacetamide in HCl

d)

6M HCl

32.

This metal ion produces bright red crystalline precipitate with dimethylglyoxime

a)

Cobalt

b)

Copper

c)

Nickel

d)

Citrate

33.

Produces punget odor with diluted NaOH

a)

NH4

b)

K+

c)

Ni+2

d)

Ag+

34.

Nickel ion in aqueous solution is colored

a)

Red

b)

Green

c)

Yellow

d)

Blue

35.

Cobalt ion in aqueous solution is colored

a)

Red

b)

Green

c)

Yellow

d)

Blue

36.

Chromate ion in aqueous solution is colored

a)

Red

b)

Green

c)

Yellow

d)

Blue

37.

Copper (II) ions in aqueous solution is colored

a)

Red

b)

Green

c)

Yellow

d)

Blue

38.

Diamond

a)

Compound

b)

Elements

c)

Homogenous mixture

d)

Heterogeneous mixture

39.

Proposed the nuclear atomic model

a)

Bohr, N.

b)

Rutherford, E.

c)

Thomson, J.J.

d)

Schrodinger, E.

40.

Planetary

a)

Bohr, N.

b)

Rutherford, E.

c)

Thomson, J.J.

d)

Schrodinger, E.

41.

Electron cloud

a)

Bohr, N.

b)

Rutherford, E.

c)

Thomson, J.J.

d)

Schrodinger, E.

42.

Plum pudding

a)

Bohr, N.

b)

Rutherford, E.

c)

Thomson, J.J.

d)

Schrodinger, E.

43.

Quantum mechanical model describes electrons as:

a)

Orbiting the nucleus in circular paths

b)

Existing in specific energy levels

c)

Arranged in discrete shells

d)

Existing in a cloud probability

44.

Physical properties of iron

I. Iron conducts electricity

II. Iron has a density of 7.87g/cm3

III. Iron melts at 1545 degrees C

a)

I and II

b)

II and III

c)

I and III

d)

I, II and III

45.

The ability of an atom to attract the shared elections in a covalent bond towards itself

a)

Ionization energy

b)

Atomic radius

c)

Electron affinity

d)

Electronegativity

46.

the energy required to remove an electron from a gas-phase atom

a)

Ionization energy

b)

Atomic radius

c)

Electron affinity

d)

Electronegativity

47.

the energy change that occurs when an electron is attached to an atom in the gas phase to form a negative ion

a)

Ionization energy

b)

Atomic radius

c)

Electron affinity

d)

Electronegativity

48.

Tritium contains ___ neutrons

a)

0

b)

1

c)

2

d)

3

49.

Protium, the most abundant isotope of hydrogen, contains ___ neutrons

a)

0

b)

1

c)

2

d)

3

50.

deutrium contains ___ neutrons

a)

0

b)

1

c)

2

d)

3

51.

How many electrons are needed to completely fill the the second energy level (n=2)

a)

2

b)

8

c)

18

d)

32

52.

How many electrons are needed to completely fill the the first energy level (n=1)

a)

2

b)

8

c)

18

d)

32

53.

How many electrons are needed to completely fill the the fourth energy level (n=4)

a)

2

b)

8

c)

18

d)

32

54.

How many electrons are needed to completely fill the the third energy level (n=3)

a)

2

b)

8

c)

18

d)

32

55.

Color of gas cylinder for carbon dioxide

a)

Gray

b)

Brown

c)

Pink

d)

Blue

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