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

White phosphorus is

Question # 2

Permonosulphuric acid is known as

Question # 3

What causes nitrogen to be chemically inert?

Question # 4

The chemical formula of chile salt peter is

Question # 5

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 6

Boric acid cannot be used:

Question # 7

Which of the following is not the reactions of lithium

Question # 8

Which of the following equations represents the action of heat on NaHCO3

Question # 9

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

Question # 10

Which of the following is acidic?

Question # 11

Chief ore of aluminium is:

Question # 12

Which of the following phosphorus is most reactive?

Question # 13

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 14

A compound used as eye wash:

Question # 15

The chemical formula of magnesite is

Question # 16

Which of the following form normal oxide

Question # 17

The alkaline earth elements have in their s-orbital

Question # 18

______ is called milk of magnesia

Question # 19

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

Question # 20

Which carbonate of alkali metals is insoluble in water

Question # 21

Which element has highest oxidation potential

Question # 22

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

Question # 23

The chemical formula of Trona is

Question # 24

Pb has inert pair of electrons:

Question # 25

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

Question # 26

Down's cell is used to prepare

Question # 27

Which is an essential constituent of chlorophyll

Question # 28

Which is not the form of silica?

Question # 29

Chemical composition of colemnite is:

Question # 30

Which of the following salt is soluble in water

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Sodium forms largely
A. Normal oxides
B. Per-oxides
C. Superoxides
D. None of these
2 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
3 Which of the following sulphates has the highest solubility in water
A. BaSO4
B. CaSO4
C. MgSO4
D. BeSO4
4 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
5 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6
6 Which of all following compound is not possible
7 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te
8 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic
9 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
10 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?
A. It will react with water to liberate oxygen
B. Its hydroxide will be a strong alkali in water
C. Its carbonate will decompose on heating to give carbon dioxide
D. Its nitrate on heating will give nitrogen dioxide and oxygen

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