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

Density of aluminium is (g cm-3):

Question # 2

The chemical formula of magnesite is

Question # 3

Electron affinity of sulphur is

Question # 4

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 5

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

Question # 6

Lime, calcium oxide, is used in agriculture for

Question # 7

Which one of the following pentafluorides cannot be formed?

Question # 8

The acid which has a peroxy linkage is

Question # 9

Which is used in navigational equipments?

Question # 10

Boric acid cannot be used:

Question # 11

Tincal is a mineral of:

Question # 12

The alkaline earth elements have in their s-orbital

Question # 13

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 14

Which salt is used for the treatment of hyperacidity in stomach

Question # 15

When SO2is passed through acidified K2Cr2O7solution

Question # 16

Which of all following compound is not possible

Question # 17

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

Question # 18

Phosphorus pentoxide finds use as

Question # 19

The structure of white phosphorus is

Question # 20

The most acidic of the following compounds is

Question # 21

Which of the following salt is soluble in water

Question # 22

The silver bromide in hypo (Na2S2O3) solution is

Question # 23

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

Question # 24

Which of the following is not the reactions of lithium

Question # 25

The alkali metals form

Question # 26

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 27

Al is the most element in earth crust:

Question # 28

Which carbonate of alkali metals is insoluble in water

Question # 29

Which property is not present in Al?

Question # 30

Pb has inert pair of electrons:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following is formed by the action of water on sodium peroxide?
A. H2
B. N2
C. O2
D. CO2
2 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent
3 The chemical formula of chile salt peter is
A. Na2CO3
B. KNO3
C. NaNO3
D. NaNO2
4 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
5 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3
6 Density of aluminium is (g cm-3):
A. B
B. Al
C. Si
D. Ge
7 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
8 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
9 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
10 Heavy water is obtained by
A. Prolonged electrolysis of water
B. Dissolving heavy salt in water
C. Simple distillation of water
D. Removing impurities of calcium and magnesium form water

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