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

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?

Question # 2

Which one of the following properties is not correct for ozone?

Question # 3

Ozone is not

Question # 4

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

Question # 5

Which of the following is lighter

Question # 6

All the elements of oxygen family are

Question # 7

P2O5is heated with water to give

Question # 8

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

Question # 9

Which of the following are electropositive in nature

Question # 10

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

Question # 11

S-block elements consist of

Question # 12

All the following decompose easily on heating to give oxygen except

Question # 13

Which of the following sulphates is not soluble in water

Question # 14

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

Question # 15

What is going to replace the petroleum?

Question # 16

The element caesium bears resemblance with

Question # 17

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 18

LiOH ______ soluble than NaOH

Question # 19

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

Question # 20

In the earth crust sodium is

Question # 21

White P when boiled with strong solution of caustic soda produces

Question # 22

Carbonates of alkali metals dissolves freely in water to form

Question # 23

Aluminium oxide is:

Question # 24

Which of the following phosphorus is most reactive?

Question # 25

A compound used as eye wash:

Question # 26

Boric acid cannot be used:

Question # 27

Silicon atom is hybridized:

Question # 28

Which of the following salt is soluble in water

Question # 29

Sodium should be stored in

Question # 30

Crystalline form of sulphur stable at room temperature is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson
2 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
3 When SO2is passed through acidified K2Cr2O7solution
A. The solution turns blue
B. The solution is decolourised
C. SO2is reduced
D. Green Cr2(SO4)3is formed
4 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
5 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
6 Chief ore of aluminium is:
A. Na3AIF6
B. Al2O3.2H2O
C. Al2O3
D. Al2O3 .H2O
7 Which is used to remove air bubbles form metals?
A. B
B. Be
C. Mg
D. Al
8 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
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 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four

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