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

Hypo is used in photography for

Question # 2

Which element forms an iron with charge 3+?

Question # 3

Sodium hexametaphophate is known as

Question # 4

NaHCO3is commonly called

Question # 5

Phosphine is not obtained by the reaction when

Question # 6

CaC2on hydrolysis form

Question # 7

Tincal is a mineral of:

Question # 8

Al is the most element in earth crust:

Question # 9

Which is used in navigational equipments?

Question # 10

Chemical composition of colemnite is:

Question # 11

The chemical formula of magnesite is

Question # 12

The metal with highest electrical resistance at room temperature is

Question # 13

The alkaline earth elements have in their s-orbital

Question # 14

Which of the following salt is soluble in water

Question # 15

______ is called milk of magnesia

Question # 16

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

Question # 17

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

Question # 18

Alkali metals react violently with halogens to form

Question # 19

Which of the element is not alkali metal

Question # 20

Which of all following compound is not possible

Question # 21

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

Question # 22

When SO2is passed through acidified K2Cr2O7solution

Question # 23

Marble is chemically

Question # 24

The most acidic of the following compounds is

Question # 25

Which of the following oxides is peroxide?

Question # 26

Corrundam is ore of:

Question # 27

The acid used in lead storage cells is

Question # 28

Alkaline earth metals are usually

Question # 29

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

Question # 30

Dipole moment of CO molecule is:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Ozone is not
A. An allotrope
B. A powerful oxidizing agent
C. Paramagnetic
D. A bent molecule
2 Which of the following oxides is peroxide?
A. Na2O2
B. MnO2
C. BaO
D. SO2
3 Sulphuric acid has great affinity for water because
A. It hydrolyses the acid
B. It decomposes the acid
C. Acid forms hydrates with water
D. Acid decomposes water
4 Which of the following has highest dipole moment?
A. NH3
B. PH3
C. AsH3
D. SbH3
5 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
6 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
7 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
8 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
9 Basicity of orthoposphoric acid is
A. 2
B. 3
C. 4
D. 5
10 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D

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