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

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

Question # 2

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

Question # 3

What is chrome yellow?

Question # 4

Ozone is not

Question # 5

Which is used in navigational equipments?

Question # 6

Gypsum is applied to the soil to provide calcium and

Question # 7

Hypo is used in photography for

Question # 8

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

Question # 9

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 10

Sulphuric acid has great affinity for water because

Question # 11

In the earth crust sodium is

Question # 12

What is going to replace the petroleum?

Question # 13

The alkali metals form

Question # 14

Carbonates of alkali metals dissolves freely in water to form

Question # 15

Tincal is a mineral of:

Question # 16

Corrundam is ore of:

Question # 17

CaC2on hydrolysis form

Question # 18

Which element forms an iron with charge 3+?

Question # 19

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 20

Chemical composition of colemnite is:

Question # 21

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

Question # 22

NaHCO3is commonly called

Question # 23

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

Question # 24

The acid used in lead storage cells is

Question # 25

Copper oxide is dedected by borax bead test with colour:

Question # 26

Sodium is never found free in nature because of its

Question # 27

______ is called milk of magnesia

Question # 28

Identify the incorrect statement with respect to ozone

Question # 29

Which salt is used for the treatment of hyperacidity in stomach

Question # 30

Which is not the form of silica?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
2 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
3 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
4 Which one of the following pentafluorides cannot be formed?
A. PF5
B. AsF5
C. SbF5
D. BiF5
5 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
6 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
7 Lithium reacts with air to form
A. Peroxide
B. Normal oxide
C. Superoxide
D. None of these
8 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic
9 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
10 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic

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