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

Alkaline earth metals are usually

Question # 2

Phosphine is not obtained by the reaction when

Question # 3

Which of the following form normal oxide

Question # 4

Which of the following is the hardest metal among following

Question # 5

Which element forms an iron with charge 3+?

Question # 6

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

Question # 7

Which one of the following elements occurs free in nature?

Question # 8

The structure of white phosphorus is

Question # 9

Dipole moment of CO molecule is:

Question # 10

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

Question # 11

Which colour is imparted by sodium

Question # 12

NaHCO3is commonly called

Question # 13

Commercial common salt becomes slight damp on storing because

Question # 14

Corrundam is ore of:

Question # 15

The acid which has a peroxy linkage is

Question # 16

Which of the following elements is most metallic?

Question # 17

Alkali metals react violently with halogens to form

Question # 18

Al is the most element in earth crust:

Question # 19

Each of the following is true of white and red phosphours except that they

Question # 20

Which on of the following compounds does not exist?

Question # 21

Identify the incorrect statement with respect to ozone

Question # 22

Which of the following is a tetrabasic acid?

Question # 23

Which is used to remove air bubbles form metals?

Question # 24

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

Question # 25

Oleum is

Question # 26

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 27

The oxide of beryllium is

Question # 28

The acid used in lead storage cells is

Question # 29

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 # 30

Which of the following is acidic?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
2 The chemical formula of gypsum is
A. CaSO4. 5H2O
B. CaSO4. 4H2O
C. CaSO4. 2H2O
D. None of these
3 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
4 Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?
A. Nitric oxide
B. Nitrous oxide
C. Nitrogen dioxide
D. Dinitrogen tetraoxide
5 In the earth crust sodium is
A. 2.50%
B. 2.30%
C. 2.40%
D. 3.50%
6 Which of the following oxides is peroxide?
A. Na2O2
B. MnO2
C. BaO
D. SO2
7 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
8 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
9 Which is used to remove air bubbles form metals?
A. B
B. Be
C. Mg
D. Al
10 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus

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