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

Hybridized in carbon is:

Question # 2

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

Question # 3

The element caesium bears resemblance with

Question # 4

Which of the element is not an alkaline earth metal

Question # 5

Which of the following sulphates has the highest solubility in water

Question # 6

All the following decompose easily on heating to give oxygen except

Question # 7

Polyanion formation is maximum in

Question # 8

Which of the following salt is used as purgative

Question # 9

HNO2acts as an/a

Question # 10

The oxide of beryllium is

Question # 11

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

Question # 12

As a fixing agent in photography, sodium thisoulphate is used for

Question # 13

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

Question # 14

Which is used in navigational equipments?

Question # 15

The acid used in lead storage cells is

Question # 16

Which is not the form of silica?

Question # 17

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 18

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

Question # 19

Which of all following compound is not possible

Question # 20

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

Question # 21

The acid which has a peroxy linkage is

Question # 22

Which is an essential constituent of chlorophyll

Question # 23

Calcium carbide reacts with water to produce

Question # 24

In the earth crust sodium is

Question # 25

Which of the following is lighter

Question # 26

Silicon atom is hybridized:

Question # 27

Which of the following salt is soluble in water

Question # 28

Which of the following is not the reactions of lithium

Question # 29

What is going to replace the petroleum?

Question # 30

The ore CaSO42H2O has the general name

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following oxides is peroxide?
A. Na2O2
B. MnO2
C. BaO
D. SO2
2 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture
3 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
4 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
5 The chemical formula of chile salt peter is
A. Na2CO3
B. KNO3
C. NaNO3
D. NaNO2
6 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
7 Which of the following is not the reactions of lithium
8 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6
9 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic
10 What causes nitrogen to be chemically inert?
A. Multiple bond formation in the molecule
B. Absence of bond distance
C. Short internuclear distance
D. High bond energy

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