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

Commercial common salt becomes slight damp on storing because

Question # 2

The alkaline earth elements have in their s-orbital

Question # 3

Copper oxide is dedected by borax bead test with colour:

Question # 4

What is the formula of asbestos?

Question # 5

Which of the following salt is soluble in water

Question # 6

Which carbonate of alkali metals is insoluble in water

Question # 7

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

Question # 8

Sulphuric acid has great affinity for water because

Question # 9

Where lime is not used

Question # 10

The metal with highest electrical resistance at room temperature is

Question # 11

Which salt is used for the treatment of hyperacidity in stomach

Question # 12

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

Question # 13

White phosphorus is

Question # 14

Lithium reacts with air to form

Question # 15

The chemical formula of Trona is

Question # 16

Identify the incorrect statement with respect to ozone

Question # 17

Which one of the following elements occurs free in nature?

Question # 18

What is chrome yellow?

Question # 19

Pb has inert pair of electrons:

Question # 20

Solvay process is used in the manufacture of

Question # 21

HNO2acts as an/a

Question # 22

Sodium is never found free in nature because of its

Question # 23

The structure of white phosphorus is

Question # 24

The chemical formula of chile salt peter is

Question # 25

Which one of the following pentafluorides cannot be formed?

Question # 26

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

Question # 27

The chemical formula of Epson salt is

Question # 28

Which of the element is not an alkaline earth metal

Question # 29

Phosphine is not obtained by the reaction when

Question # 30

Bond angle is minimum for

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
2 All the following decompose easily on heating to give oxygen except
A. Lead nitrate
B. Potassium chlorate
C. Mercuric oxide
D. Manganese dioxide
3 Which of the following are electropositive in nature
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Alkali and alkaline earth metals
4 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
5 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these
6 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
7 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
8 Hybridized in oxygen is:
A. sp
B. sp2
C. sp3
D. dsp3
9 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic
10 Which property is not present in Al?
A. Reacts with acid
B. Reacts with bases
C. Changes litmus paper
D. Changes methyle orange colour

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