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

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

Question # 2

NaHCO3is commonly called

Question # 3

Marble is chemically

Question # 4

Which of the element is not alkali metal

Question # 5

Which one of the following properties is not correct for ozone?

Question # 6

Carbonates of alkali metals dissolves freely in water to form

Question # 7

The acid which has a peroxy linkage is

Question # 8

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

Question # 9

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 10

Sodium is never found free in nature because of its

Question # 11

Hybridized in oxygen is:

Question # 12

Gypsum is a common mineral of

Question # 13

Which of the element is not an alkaline earth metal

Question # 14

Calcium carbide reacts with water to produce

Question # 15

Where lime is not used

Question # 16

Which element form group 15 gives most basic compound with hydrogen?

Question # 17

Which of the following phosphorus is most reactive?

Question # 18

Baking powder has which one of the following formula

Question # 19

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 20

Chief ore of aluminium is:

Question # 21

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 22

Which is not the form of silica?

Question # 23

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

Question # 24

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

Question # 25

Which property is not present in Al?

Question # 26

In the earth crust sodium is

Question # 27

Which of the following are electropositive in nature

Question # 28

Sodium hexametaphophate is known as

Question # 29

Which of the following elements is most metallic?

Question # 30

NaHCO3is prepared by

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
3 Which of the following is acidic?
A. SO3
B. N2O
C. BeO
D. HgO
4 Sodium is never found free in nature because of its
A. Chemical reactivity
B. Small ionic size
C. Small atomic volume
D. None of these
5 Which of the following salt is used as purgative
A. CaSO4
B. MgSO4
C. BeSO4
D. NaCl
6 Which of the following statement is not related to Solvay's process of Na2CO3
A. Cheap materials
B. Pure product
C. Continuous process
D. Harmful by-products
7 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
8 The chemical formula of gypsum is
A. CaSO4. 5H2O
B. CaSO4. 4H2O
C. CaSO4. 2H2O
D. None of these
9 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
10 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer

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