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

Alkaline earth metals are usually

Question # 2

Which of the following elements is most metallic?

Question # 3

Which of the element is not an alkaline earth metal

Question # 4

Which of the following oxides is peroxide?

Question # 5

Chemical composition of colemnite is:

Question # 6

Which of the following is lighter

Question # 7

Which of the following is not the reactions of lithium

Question # 8

Which of the following compounds is explosive in nature?

Question # 9

Which will have the maximum value of heat of hydration

Question # 10

Sodium hexametaphophate is known as

Question # 11

Which one of the following elements occurs free in nature?

Question # 12

Which has soapy touch?

Question # 13

Sulphuric acid reacts with PCl5to give

Question # 14

Copper oxide is dedected by borax bead test with colour:

Question # 15

The acid used in lead storage cells is

Question # 16

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 # 17

Ozone is not

Question # 18

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 19

The silver bromide in hypo (Na2S2O3) solution is

Question # 20

Aluminium oxide is:

Question # 21

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

Question # 22

Which metal is used in the thermit process because of its activity?

Question # 23

Alkaline earth metals posses two electrons in their outermost

Question # 24

The chemical formula of Trona is

Question # 25

What is going to replace the petroleum?

Question # 26

The alkali metals form

Question # 27

Dipole moment of CO molecule is:

Question # 28

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

Question # 29

Down's cell is used to prepare

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
2 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
3 Tincal is a mineral of:
A. Al
B. B
C. Si
D. C
4 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
5 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
6 Which one of the following pentafluorides cannot be formed?
A. PF5
B. AsF5
C. SbF5
D. BiF5
7 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
8 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium
9 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
10 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4

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