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

Boric acid cannot be used:

Question # 2

S-block elements consist of

Question # 3

The element caesium bears resemblance with

Question # 4

Copper oxide is dedected by borax bead test with colour:

Question # 5

The chemical formula of gypsum is

Question # 6

Down's cell is used to prepare

Question # 7

Gypsum is a common mineral of

Question # 8

The alkaline earth elements have in their s-orbital

Question # 9

Which one of the following pentafluorides cannot be formed?

Question # 10

The ore CaSO42H2O has the general name

Question # 11

Sodium is never found free in nature because of its

Question # 12

Which of the following is lighter

Question # 13

Pb has inert pair of electrons:

Question # 14

Which one of the following properties is not correct for ozone?

Question # 15

______ is called milk of magnesia

Question # 16

The oxide of beryllium is

Question # 17

Which of the following salt is used as purgative

Question # 18

Tincal is a mineral of:

Question # 19

Basicity of orthoposphoric acid is

Question # 20

Which of the following is acidic?

Question # 21

______ reacts with alkalis to give hydrogen

Question # 22

Heavy water is obtained by

Question # 23

HNO2acts as an/a

Question # 24

Which of the following form normal oxide

Question # 25

The maximum number of electrons in the outermost shall of s-black elements is

Question # 26

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 27

Red P can be obtained form white P by

Question # 28

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

Question # 29

Which salt is used for preserving food

Question # 30

Each of the following is true of white and red phosphours except that they

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following equations represents the action of heat on NaHCO3
2 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
3 Lithium reacts with air to form
A. Peroxide
B. Normal oxide
C. Superoxide
D. None of these
4 Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because
A. Sodium chloride does not ionize in the water solution
B. Sodium chloride is not soluble in water
C. Sodium deposited at the cathode may react with water to form sodium hydroxide
D. Electricity does not pass through aqueous NaCl
5 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
6 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
7 Which of the following is not the reactions of lithium
8 In the earth crust sodium is
A. 2.50%
B. 2.30%
C. 2.40%
D. 3.50%
9 Ozone is not
A. An allotrope
B. A powerful oxidizing agent
C. Paramagnetic
D. A bent molecule
10 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH

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