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

Hypo is used in photography for

Question # 2

Heavy water is obtained by

Question # 3

Dipole moment of CO molecule is:

Question # 4

White P when boiled with strong solution of caustic soda produces

Question # 5

Which of the following has highest dipole moment?

Question # 6

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 7

Which is an essential constituent of chlorophyll

Question # 8

The structure of white phosphorus is

Question # 9

What causes nitrogen to be chemically inert?

Question # 10

Which is used in navigational equipments?

Question # 11

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

Question # 12

Aluminium oxide is:

Question # 13

Chemical composition of colemnite is:

Question # 14

Bond angle is minimum for

Question # 15

White phosphorus is

Question # 16

Which salt is used for the treatment of hyperacidity in stomach

Question # 17

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

Question # 18

BiCl3on hydrolysis forms a white precipitate of

Question # 19

Gypsum is a common mineral of

Question # 20

Alkaline earth metals are usually

Question # 21

Al is the most element in earth crust:

Question # 22

Which of the element is not an alkaline earth metal

Question # 23

Which of the following salt is soluble in water

Question # 24

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

Question # 25

Which element form group 15 gives most basic compound with hydrogen?

Question # 26

Where lime is not used

Question # 27

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

Question # 28

All the following decompose easily on heating to give oxygen except

Question # 29

Which of the following sulphates is not soluble in water

Question # 30

The alkaline earth elements have in their s-orbital

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 What is going to replace the petroleum?
A. Silica
B. Silicates
C. Silicones
D. Silicon
2 The metal with highest electrical resistance at room temperature is
A. Pb
B. Te
C. Po
D. Fe
3 In a group IIA from top to bottom as the atomic number increases, there is regular decreases in
A. Ionic size
B. Atomic size
C. Ionization potential
D. None of these
4 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
5 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
6 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
7 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
8 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
9 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
10 Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

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