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

Phosphine is not obtained by the reaction when

Question # 2

Alkaline earth metals are usually

Question # 3

The acid used in lead storage cells is

Question # 4

Permonosulphuric acid is known as

Question # 5

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 6

Which of the following salt is soluble in water

Question # 7

Heavy water is obtained by

Question # 8

The oxidation number of each element of group ll-A is

Question # 9

Which of the following is a tetrabasic acid?

Question # 10

NaHCO3is prepared by

Question # 11

Hypo is used in photography for

Question # 12

The alkali metals form

Question # 13

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

Question # 14

The ore CaSO42H2O has the general name

Question # 15

A compound used as eye wash:

Question # 16

HNO2acts as an/a

Question # 17

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

Question # 18

Which of the following salt is used as purgative

Question # 19

Basicity of orthoposphoric acid is

Question # 20

Which one of the following elements occurs free in nature?

Question # 21

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

Question # 22

Chemical composition of colemnite is:

Question # 23

Aluminium oxide is:

Question # 24

Solvay process is used in the manufacture of

Question # 25

Which is an essential constituent of chlorophyll

Question # 26

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 27

______ reacts with alkalis to give hydrogen

Question # 28

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

Question # 29

Which of all following compound is not possible

Question # 30

Which of the following sulphates has the highest solubility in water

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
2 Which of the following is formed by the action of water on sodium peroxide?
A. H2
B. N2
C. O2
D. CO2
3 Sodium forms largely
A. Normal oxides
B. Per-oxides
C. Superoxides
D. None of these
4 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
5 The acid which has a peroxy linkage is
A. Sulphurous acid
B. Pyrosulphuric acid
C. Dithionic acid
D. Caro's acid
6 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
7 Which element forms an iron with charge 3+?
A. Berylium
B. Aluminium
C. Carbon
D. Silicon
8 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
9 Tincal is a mineral of:
A. Al
B. B
C. Si
D. C
10 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl

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