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

The alkaline earth elements have in their s-orbital

Question # 2

The oxide of beryllium is

Question # 3

Which colour is imparted by sodium

Question # 4

Which is not the form of silica?

Question # 5

Boric acid cannot be used:

Question # 6

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 7

______ reacts with alkalis to give hydrogen

Question # 8

Crystalline form of sulphur stable at room temperature is

Question # 9

Which property is not present in Al?

Question # 10

Which is litharge or massicot?

Question # 11

White phosphorus is

Question # 12

Borax is hydrated:

Question # 13

Alkali metals react violently with halogens to form

Question # 14

NaHCO3is commonly called

Question # 15

Which is used to remove air bubbles form metals?

Question # 16

Alkaline earth metals are usually

Question # 17

Aluminium oxide is:

Question # 18

Which of the following sulphates is not soluble in water

Question # 19

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

Question # 20

Commercial common salt becomes slight damp on storing because

Question # 21

______ gives peroxide

Question # 22

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

Question # 23

Which of the element is not alkali metal

Question # 24

Sodium forms largely

Question # 25

Which of the following is lighter

Question # 26

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

Question # 27

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

Question # 28

Red P can be obtained form white P by

Question # 29

A compound used as eye wash:

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Borax is hydrated:
A. Penta
B. Deca
C. Hepta
D. Octa
2 What is going to replace the petroleum?
A. Silica
B. Silicates
C. Silicones
D. Silicon
3 Which of the following form normal oxide
A. K
B. Li
C. Na
D. None
4 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
5 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3
6 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
7 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
8 On alkali and alkaline earth metals down the group, there is decreasing trend in
A. m.p.
B. b.p.
C. Ionization potentiall
D. All of these
9 Which property is not present in Al?
A. Reacts with acid
B. Reacts with bases
C. Changes litmus paper
D. Changes methyle orange colour
10 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil

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