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

Which of the element is not an alkaline earth metal

Question # 2

The ore CaSO42H2O has the general name

Question # 3

Alkali metals react violently with halogens to form

Question # 4

The element caesium bears resemblance with

Question # 5

Hybridized in carbon is:

Question # 6

Which salt is used for the treatment of hyperacidity in stomach

Question # 7

______ is called milk of magnesia

Question # 8

Which salt is used for preserving food

Question # 9

Tincal is a mineral of:

Question # 10

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

Question # 11

The metal with highest electrical resistance at room temperature is

Question # 12

Which of the following salt is used as purgative

Question # 13

Which one of the following does not belong to alkaline earth metals

Question # 14

Which of all following compound is not possible

Question # 15

Chile saltpetre has the chemical formula

Question # 16

Where lime is not used

Question # 17

Which element forms an iron with charge 3+?

Question # 18

Bond angle is minimum for

Question # 19

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

Question # 20

The alkali metals form

Question # 21

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

Question # 22

Silicon atom is hybridized:

Question # 23

Which of the following is a tetrabasic acid?

Question # 24

Which of the following phosphorus is most reactive?

Question # 25

Pb has inert pair of electrons:

Question # 26

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

Question # 27

Dipole moment of CO molecule is:

Question # 28

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 29

Which of the following elements is most metallic?

Question # 30

The oxide of beryllium is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following is formed by the action of water on sodium peroxide?
A. H2
B. N2
C. O2
D. CO2
3 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson
4 The number of unpaired electrons in the p-subshell of oxygen atom
A. 1
B. 2
C. 3
D. 4
5 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
6 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
7 Which of the following form normal oxide
A. K
B. Li
C. Na
D. None
8 Carbonates of alkali metals dissolves freely in water to form
A. Acidic solutions
B. Neutral solution
C. Alkaline solution
D. None of these
9 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
10 Silicon atom is hybridized:
A. sp
B. sp2
C. sp3
D. dsp2

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