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

Tincal is a mineral of:

Question # 2

Heavy water is obtained by

Question # 3

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 4

Which is litharge or massicot?

Question # 5

Which salt is used for the treatment of hyperacidity in stomach

Question # 6

Which of the element is not alkali metal

Question # 7

P2O5is heated with water to give

Question # 8

The chemical formula of gypsum is

Question # 9

White phosphorus is

Question # 10

Which of the following is the hardest metal among following

Question # 11

LiOH ______ soluble than NaOH

Question # 12

The electrolytic cell used for the production of metallic sodium is known as

Question # 13

Which one of the following pentafluorides cannot be formed?

Question # 14

The ore CaSO42H2O has the general name

Question # 15

Which is used to remove air bubbles form metals?

Question # 16

S-block elements consist of

Question # 17

The silver bromide in hypo (Na2S2O3) solution is

Question # 18

Which will have the maximum value of heat of hydration

Question # 19

Al is the most element in earth crust:

Question # 20

Borax is hydrated:

Question # 21

Calcium carbide reacts with water to produce

Question # 22

Which of the following fluorides does not exists?

Question # 23

The acid used in lead storage cells is

Question # 24

Which of the following sulphates has the highest solubility in water

Question # 25

Down's cell is used to prepare

Question # 26

Which colour is imparted by sodium

Question # 27

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

Question # 28

Which of the following elements is most metallic?

Question # 29

Which is not the form of silica?

Question # 30

Corrundam is ore of:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The metal with highest electrical resistance at room temperature is
A. Pb
B. Te
C. Po
D. Fe
2 Which of the following are electropositive in nature
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Alkali and alkaline earth metals
3 ______ reacts with alkalis to give hydrogen
A. Be
B. Mg
C. Ca
D. None
4 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
5 In the earth crust sodium is
A. 2.50%
B. 2.30%
C. 2.40%
D. 3.50%
6 Boric acid cannot be used:
A. An antiseptic in medicine
B. For washing eyes
C. In soda bottles
D. For enamels and glazes
7 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
8 Corrundam is ore of:
A. Li
B. Be
C. B
D. Al
9 Which element forms an iron with charge 3+?
A. Berylium
B. Aluminium
C. Carbon
D. Silicon
10 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl

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