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

00:00
Question # 1

Heavy water is obtained by

Question # 2

What is going to replace the petroleum?

Question # 3

LiOH ______ soluble than NaOH

Question # 4

Which one of the following does not belong to alkaline earth metals

Question # 5

Which of the following equations represents the action of heat on NaHCO3

Question # 6

HNO2acts as an/a

Question # 7

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 8

Hybridized in carbon is:

Question # 9

Commercial common salt becomes slight damp on storing because

Question # 10

Which carbonate of alkali metals is insoluble in water

Question # 11

Oleum is

Question # 12

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 13

Which of the following is formed by the action of water on sodium peroxide?

Question # 14

The chemical formula of gypsum is

Question # 15

White phosphorus is

Question # 16

Polyanion formation is maximum in

Question # 17

Copper oxide is dedected by borax bead test with colour:

Question # 18

Which of the following is lighter

Question # 19

Down's cell is used to prepare

Question # 20

Which of the following is the hardest metal among following

Question # 21

What is chrome yellow?

Question # 22

Sulphuric acid reacts with PCl5to give

Question # 23

In the earth crust sodium is

Question # 24

Which salt is used for the treatment of hyperacidity in stomach

Question # 25

S-block elements consist of

Question # 26

P2O5is heated with water to give

Question # 27

Crystalline form of sulphur stable at room temperature is

Question # 28

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 29

The metal with highest electrical resistance at room temperature is

Question # 30

Sodium is never found free in nature because of its

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4
2 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3
3 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
4 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3
5 Some of the elements of a period show similar behavior with the elements of next group in next period this is called
A. Vertical relationship
B. Oblique relationship
C. Diagonal relationship
D. None
6 A compound used as eye wash:
A. Borax
B. Boric acid
C. Metabolic acid
D. Pyroboric acid
7 The chemical formula of magnesite is
A. MgCl2
B. Mg(HCO3)2
C. MgCO3
D. None of these
8 Sulphuric acid has great affinity for water because
A. It hydrolyses the acid
B. It decomposes the acid
C. Acid forms hydrates with water
D. Acid decomposes water
9 Commercial common salt becomes slight damp on storing because
A. Common salt is hygroscope
B. Common salt contains some impurity, which is hygroscopic
C. Salt in efflorescent
D. Salt is crystalline
10 The chemical formula of gypsum is
A. CaSO4. 5H2O
B. CaSO4. 4H2O
C. CaSO4. 2H2O
D. None of these

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