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

Which of the following sulphates is not soluble in water

Question # 2

Calcium carbide reacts with water to produce

Question # 3

Boric acid cannot be used:

Question # 4

Lime, calcium oxide, is used in agriculture for

Question # 5

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 6

The element which has a simple cubic lattice in solid state is

Question # 7

Which is used to remove air bubbles form metals?

Question # 8

The oxide of beryllium is

Question # 9

Plaster of pares is obtained by heating

Question # 10

Ozone is not

Question # 11

Which of the following has highest dipole moment?

Question # 12

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 13

Which of the following oxides is peroxide?

Question # 14

A compound used as eye wash:

Question # 15

Hybridized in oxygen is:

Question # 16

Down's cell is used to prepare

Question # 17

All the following decompose easily on heating to give oxygen except

Question # 18

Chief ore of aluminium is:

Question # 19

Which element among the following belongs to Group IV-A of the periodic table?

Question # 20

Phosphide ion has the electronic structure similar to that of

Question # 21

Which will have the maximum value of heat of hydration

Question # 22

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 23

Which element has highest oxidation potential

Question # 24

Which of the element is not an alkaline earth metal

Question # 25

HNO2acts as an/a

Question # 26

The number of electron that are paired in oxygen molecule are

Question # 27

Which of the following elements is most metallic?

Question # 28

White P when boiled with strong solution of caustic soda produces

Question # 29

Marble is chemically

Question # 30

Which is litharge or massicot?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
2 P2O5is heated with water to give
A. Hypophosphorus acid
B. Phosphorus acid
C. Hypophosphorus acid
D. Orthophosphorus acid
3 What is going to replace the petroleum?
A. Silica
B. Silicates
C. Silicones
D. Silicon
4 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
5 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
6 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
7 Which of the following is formed by the action of water on sodium peroxide?
A. H2
B. N2
C. O2
D. CO2
8 Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?
A. 1s, 2s2, 2p6, 3s2, 3p6, 4s2
B. 1s2 , 2s2 , 2p6 , 3s2, 3p1
C. 1s2, 2s2, 2p6
D. 1s2, 2s2, 2p6, 3s2, 3p3
9 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
10 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2

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