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

Pb has inert pair of electrons:

Question # 2

Hybridized in carbon is:

Question # 3

Which will have the maximum value of heat of hydration

Question # 4

Which one of the following is not an alkali metal

Question # 5

Which of the following oxides is peroxide?

Question # 6

BiCl3on hydrolysis forms a white precipitate of

Question # 7

The most acidic of the following compounds is

Question # 8

Each of the following is true of white and red phosphours except that they

Question # 9

Lithium reacts with air to form

Question # 10

Gypsum is applied to the soil to provide calcium and

Question # 11

Which is not the form of silica?

Question # 12

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

Question # 13

Which of the following sulphates is not soluble in water

Question # 14

Calcium carbide reacts with water to produce

Question # 15

Sodium hexametaphophate is known as

Question # 16

The number of electron that are paired in oxygen molecule are

Question # 17

Sodium should be stored in

Question # 18

Which of all following compound is not possible

Question # 19

Sulphuric acid reacts with PCl5to give

Question # 20

When SO2is passed through acidified K2Cr2O7solution

Question # 21

The oxide of beryllium is

Question # 22

Which of the following is the hardest metal among following

Question # 23

Hybridized in oxygen is:

Question # 24

Alkaline earth metals are usually

Question # 25

The chemical formula of gypsum is

Question # 26

Where lime is not used

Question # 27

Sulphuric acid has great affinity for water because

Question # 28

The ore CaSO42H2O has the general name

Question # 29

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

Question # 30

Boric acid cannot be used:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Silicon atom is hybridized:
A. sp
B. sp2
C. sp3
D. dsp2
2 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
3 Electron affinity of sulphur is
A. More than O and Se
B. More than O but less than Se
C. Less than O but more than Se
D. Equal to O and Se
4 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
5 Which of the following is not the reactions of lithium
6 On alkali and alkaline earth metals down the group, there is decreasing trend in
A. m.p.
B. b.p.
C. Ionization potentiall
D. All of these
7 What is going to replace the petroleum?
A. Silica
B. Silicates
C. Silicones
D. Silicon
8 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4
9 ______ gives peroxide
A. Li
B. Ba
C. Sr
D. Be
10 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid

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