ECAT Pre Engineering Chemistry Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

Try The MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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Question # 1

When SO2is passed through acidified K2Cr2O7solution

Question # 2

Copper oxide is dedected by borax bead test with colour:

Question # 3

Solvay process is used in the manufacture of

Question # 4

The chemical formula of chile salt peter is

Question # 5

Corrundam is ore of:

Question # 6

Which is used in navigational equipments?

Question # 7

White phosphorus is

Question # 8

Which is not the form of silica?

Question # 9

Chemical composition of colemnite is:

Question # 10

Which of the following sulphates is not soluble in water

Question # 11

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 12

Which of the element is not alkali metal

Question # 13

Density of aluminium is (g cm-3):

Question # 14

Bond angle is minimum for

Question # 15

Which element has highest oxidation potential

Question # 16

Which is litharge or massicot?

Question # 17

Crystalline form of sulphur stable at room temperature is

Question # 18

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 19

Hybridized in oxygen is:

Question # 20

Permonosulphuric acid is known as

Question # 21

______ is used in breathing equipments for mountaineers and in space craft

Question # 22

What causes nitrogen to be chemically inert?

Question # 23

CaC2on hydrolysis form

Question # 24

Dipole moment of CO molecule is:

Question # 25

Gypsum is a common mineral of

Question # 26

BiCl3on hydrolysis forms a white precipitate of

Question # 27

Which of the following sulphates has the highest solubility in water

Question # 28

The oxide of beryllium is

Question # 29

Marble is chemically

Question # 30

Phosphide ion has the electronic structure similar to that of

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
2 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
3 Ozone is not
A. An allotrope
B. A powerful oxidizing agent
C. Paramagnetic
D. A bent molecule
4 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
5 Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?
A. Nitric oxide
B. Nitrous oxide
C. Nitrogen dioxide
D. Dinitrogen tetraoxide
6 What causes nitrogen to be chemically inert?
A. Multiple bond formation in the molecule
B. Absence of bond distance
C. Short internuclear distance
D. High bond energy
7 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
8 White phosphorus is
A. A mono atomic gas
B. P4, a tetrahedral solid
C. P8, a crown
D. A linear diatomic molecule
9 What is chrome yellow?
A. Pbo
B. Pb2O
C. PbCrO4
D. Pb3O4
10 Which of the following sulphates has the highest solubility in water
A. BaSO4
B. CaSO4
C. MgSO4
D. BeSO4

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