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

The chemical formula of Trona is

Question # 2

Hybridized in carbon is:

Question # 3

Sulphuric acid reacts with PCl5to give

Question # 4

Borax is hydrated:

Question # 5

All the elements of oxygen family are

Question # 6

The formula of lime stone is

Question # 7

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

Question # 8

Which is litharge or massicot?

Question # 9

Which of the following is acidic?

Question # 10

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 11

Copper oxide is dedected by borax bead test with colour:

Question # 12

Which of the following oxides is peroxide?

Question # 13

Which of the following compounds is explosive in nature?

Question # 14

______ gives peroxide

Question # 15

Which element has highest oxidation potential

Question # 16

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

Question # 17

NaHCO3is commonly called

Question # 18

Which is used in navigational equipments?

Question # 19

Which shows maximum catenation property?

Question # 20

Which has soapy touch?

Question # 21

Which of the following phosphorus is most reactive?

Question # 22

Plaster of pares is obtained by heating

Question # 23

A compound used as eye wash:

Question # 24

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

Question # 25

The ore CaSO42H2O has the general name

Question # 26

Polyanion formation is maximum in

Question # 27

S-block elements consist of

Question # 28

The alkaline earth elements have in their s-orbital

Question # 29

Electron affinity of sulphur is

Question # 30

NaHCO3is prepared by

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The ore CaSO42H2O has the general name
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
2 On alkali and alkaline earth metals down the group, there is decreasing trend in
A. m.p.
B. b.p.
C. Ionization potentiall
D. All of these
3 The electrolytic cell used for the production of metallic sodium is known as
A. Down's cell
B. Solvary's cell
C. Haber's cell
D. None of these
4 ______ gives peroxide
A. Li
B. Ba
C. Sr
D. Be
5 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn
6 All the following decompose easily on heating to give oxygen except
A. Lead nitrate
B. Potassium chlorate
C. Mercuric oxide
D. Manganese dioxide
7 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
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 BiCl3on hydrolysis forms a white precipitate of
A. Bismuthio acid
B. Bismuth oxychloride
C. Bismuth pentachloride
D. Bismuth hydroxide
10 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl

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