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

Chief ore of aluminium is:

Question # 2

Alkaline earth metals posses two electrons in their outermost

Question # 3

All the elements of oxygen family are

Question # 4

As a fixing agent in photography, sodium thisoulphate is used for

Question # 5

Aluminium oxide is:

Question # 6

The chemical formula of Trona is

Question # 7

Which has soapy touch?

Question # 8

Corrundam is ore of:

Question # 9

Which of the following fluorides does not exists?

Question # 10

______ is used in breathing equipments for mountaineers and in space craft

Question # 11

What is the formula of asbestos?

Question # 12

Commercial common salt becomes slight damp on storing because

Question # 13

The chemical formula of gypsum is

Question # 14

Electron affinity of sulphur is

Question # 15

S-block elements consist of

Question # 16

Which on of the following compounds does not exist?

Question # 17

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

Question # 18

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

Question # 19

Borax is hydrated:

Question # 20

P2O5is heated with water to give

Question # 21

Which one of the following is not an alkali metal

Question # 22

LiOH ______ soluble than NaOH

Question # 23

Which property is not present in Al?

Question # 24

Which of the following is not the reactions of lithium

Question # 25

Which is an essential constituent of chlorophyll

Question # 26

The silver bromide in hypo (Na2S2O3) solution is

Question # 27

HNO2acts as an/a

Question # 28

Baking powder has which one of the following formula

Question # 29

The alkali metals form

Question # 30

Sulphuric acid reacts with PCl5to give

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
2 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these
3 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn
4 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
5 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
6 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
7 Calcium carbide reacts with water to produce
A. Acetylene
B. Methane
C. Ethylene
D. Ethane
8 Heavy water is obtained by
A. Prolonged electrolysis of water
B. Dissolving heavy salt in water
C. Simple distillation of water
D. Removing impurities of calcium and magnesium form water
9 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
10 ______ reacts with alkalis to give hydrogen
A. Be
B. Mg
C. Ca
D. None

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