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

All the elements of oxygen family are

Question # 2

Which metal is used in the thermit process because of its activity?

Question # 3

______ gives peroxide

Question # 4

P2O5is heated with water to give

Question # 5

Gypsum is a common mineral of

Question # 6

Which is an essential constituent of chlorophyll

Question # 7

Oleum is

Question # 8

Al is the most element in earth crust:

Question # 9

Which of all following compound is not possible

Question # 10

White P when boiled with strong solution of caustic soda produces

Question # 11

The most acidic of the following compounds is

Question # 12

The metal with highest electrical resistance at room temperature is

Question # 13

Phosphide ion has the electronic structure similar to that of

Question # 14

Alkaline earth metals posses two electrons in their outermost

Question # 15

Which of the following is a tetrabasic acid?

Question # 16

Which of the following elements is not present abundantly in earth's crust?

Question # 17

Alkaline earth metals are usually

Question # 18

Heavy water is obtained by

Question # 19

Sulphuric acid reacts with PCl5to give

Question # 20

Which is used in navigational equipments?

Question # 21

In the earth crust sodium is

Question # 22

Which salt is used for the treatment of hyperacidity in stomach

Question # 23

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 24

Which of the element is not an alkaline earth metal

Question # 25

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 26

The alkali metals form

Question # 27

Alkali metals react violently with halogens to form

Question # 28

Chief ore of aluminium is:

Question # 29

Sodium hexametaphophate is known as

Question # 30

Borax is hydrated:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Sodium hexametaphophate is known as
A. Calgon
B. Permutite
C. Natalite
D. Nitrolim
2 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
3 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
4 Boric acid cannot be used:
A. An antiseptic in medicine
B. For washing eyes
C. In soda bottles
D. For enamels and glazes
5 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
6 Which of the following salt is used as purgative
A. CaSO4
B. MgSO4
C. BeSO4
D. NaCl
7 Which of the following sulphates has the highest solubility in water
A. BaSO4
B. CaSO4
C. MgSO4
D. BeSO4
8 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3
9 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
10 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid

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