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

Which property is not present in Al?

Question # 2

______ gives peroxide

Question # 3

Which of the following is acidic?

Question # 4

Which of the following is not the reactions of lithium

Question # 5

Sulphuric acid reacts with PCl5to give

Question # 6

Heavy water is obtained by

Question # 7

Alkaline earth metals posses two electrons in their outermost

Question # 8

Which of the element is not alkali metal

Question # 9

Dipole moment of CO molecule is:

Question # 10

What causes nitrogen to be chemically inert?

Question # 11

Gypsum is applied to the soil to provide calcium and

Question # 12

Which element among the following belongs to Group IV-A of the periodic table?

Question # 13

Oleum is

Question # 14

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

Question # 15

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

Question # 16

In the earth crust sodium is

Question # 17

Hybridized in oxygen is:

Question # 18

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

Question # 19

Permonosulphuric acid is known as

Question # 20

Phosphine is not obtained by the reaction when

Question # 21

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

Question # 22

Down's cell is used to prepare

Question # 23

LiOH ______ soluble than NaOH

Question # 24

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 25

Gypsum is a common mineral of

Question # 26

Sodium forms largely

Question # 27

Phosphide ion has the electronic structure similar to that of

Question # 28

Which one of the following pentafluorides cannot be formed?

Question # 29

Which is litharge or massicot?

Question # 30

What is going to replace the petroleum?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
2 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
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 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
5 Silicon atom is hybridized:
A. sp
B. sp2
C. sp3
D. dsp2
6 Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because
A. Sulphur is present in the mixture as impurity
B. IV group radicals are precipitated as sulphides
C. Of the oxidation of H2S gas by some acid radicals
D. III group radicals are precipitated as hydroxides
7 When ammonia is heated with cupric oxide, a molecule of ammonia will
A. Gain 3 electrons
B. Lose 3 electrons
C. Gain 2 electrons
D. Lose 2 electrons
8 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these
9 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca
10 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3

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