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

Orthophosphoric acid is

Question # 2

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

Question # 3

Which is litharge or massicot?

Question # 4

The electrolytic cell used for the production of metallic sodium is known as

Question # 5

Plaster of pares is obtained by heating

Question # 6

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

Question # 7

Lithium reacts with air to form

Question # 8

The alkaline earth elements have in their s-orbital

Question # 9

Which of the following is acidic?

Question # 10

Which carbonate of alkali metals is insoluble in water

Question # 11

Alkaline earth metals are usually

Question # 12

The structure of white phosphorus is

Question # 13

Which of the following salt is soluble in water

Question # 14

Borax is hydrated:

Question # 15

Chile saltpetre has the chemical formula

Question # 16

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 17

Which element forms an iron with charge 3+?

Question # 18

The oxidation number of each element of group ll-A is

Question # 19

Which of the following sulphates has the highest solubility in water

Question # 20

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 21

What is chrome yellow?

Question # 22

Which of the element is not an alkaline earth metal

Question # 23

Which one of the following is not an alkali metal

Question # 24

Crystalline form of sulphur stable at room temperature is

Question # 25

NaHCO3is prepared by

Question # 26

Which of the following is formed by the action of water on sodium peroxide?

Question # 27

Phosphide ion has the electronic structure similar to that of

Question # 28

Phosphorus pentoxide finds use as

Question # 29

Which shows maximum catenation property?

Question # 30

Sodium should be stored in

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3
2 LiOH ______ soluble than NaOH
A. More soluble
B. Less soluble
C. Equally soluble
D. None
3 In the earth crust sodium is
A. 2.50%
B. 2.30%
C. 2.40%
D. 3.50%
4 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
5 The chemical formula of chile salt peter is
A. Na2CO3
B. KNO3
C. NaNO3
D. NaNO2
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 ______ reacts with alkalis to give hydrogen
A. Be
B. Mg
C. Ca
D. None
8 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
9 Chile saltpetre has the chemical formula
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3H2O
10 Polyanion formation is maximum in
A. Nitrogen
B. Oxygen
C. Sulphur
D. Boron

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