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 colour is imparted by sodium

Question # 2

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

Question # 3

______ gives peroxide

Question # 4

Which is not the form of silica?

Question # 5

The chemical formula of Trona is

Question # 6

P2O5is heated with water to give

Question # 7

Which is an essential constituent of chlorophyll

Question # 8

Hybridized in carbon is:

Question # 9

Which of the element is not alkali metal

Question # 10

Bond angle is minimum for

Question # 11

Silicon atom is hybridized:

Question # 12

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

Question # 13

Which of the following equations represents the action of heat on NaHCO3

Question # 14

S-block elements consist of

Question # 15

What is the formula of asbestos?

Question # 16

Which of the following are electropositive in nature

Question # 17

The chemical formula of Epson salt is

Question # 18

Which of the following element is most reactive

Question # 19

The acid used in lead storage cells is

Question # 20

Which element among the following belongs to Group IV-A of the periodic table?

Question # 21

Al is the most element in earth crust:

Question # 22

Copper oxide is dedected by borax bead test with colour:

Question # 23

Aluminium oxide is:

Question # 24

Dipole moment of CO molecule is:

Question # 25

Which of the following oxides is peroxide?

Question # 26

The element caesium bears resemblance with

Question # 27

Which one of the following pentafluorides cannot be formed?

Question # 28

Which one of the following does not belong to alkaline earth metals

Question # 29

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

Question # 30

All the elements of oxygen family are

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following salt is used as purgative
A. CaSO4
B. MgSO4
C. BeSO4
D. NaCl
2 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
3 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4
4 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
5 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
6 Silicon atom is hybridized:
A. sp
B. sp2
C. sp3
D. dsp2
7 Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become
A. Stronger reducing agents
B. More ionic
C. More basic
D. More volatile
8 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
9 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3
10 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate

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