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

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 2

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

Question # 3

Lithium reacts with air to form

Question # 4

Commercial common salt becomes slight damp on storing because

Question # 5

A compound used as eye wash:

Question # 6

Red P can be obtained form white P by

Question # 7

Which colour is imparted by sodium

Question # 8

Lime, calcium oxide, is used in agriculture for

Question # 9

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 10

P2O5is heated with water to give

Question # 11

The formula of lime stone is

Question # 12

Calcium carbide reacts with water to produce

Question # 13

Marble is chemically

Question # 14

Gypsum is a common mineral of

Question # 15

Chief ore of aluminium is:

Question # 16

Which of the following has highest dipole moment?

Question # 17

Permonosulphuric acid is known as

Question # 18

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 19

Which of the following sulphates has the highest solubility in water

Question # 20

What is chrome yellow?

Question # 21

Which of the following salt is soluble in water

Question # 22

Identify the incorrect statement with respect to ozone

Question # 23

Chile saltpetre has the chemical formula

Question # 24

Which of the following is formed by the action of water on sodium peroxide?

Question # 25

The number of electron that are paired in oxygen molecule are

Question # 26

Which on of the following compounds does not exist?

Question # 27

Which has soapy touch?

Question # 28

The structure of white phosphorus is

Question # 29

Bond angle is minimum for

Question # 30

The chemical formula of Trona is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 LiOH ______ soluble than NaOH
A. More soluble
B. Less soluble
C. Equally soluble
D. None
2 Which of the following has highest dipole moment?
A. NH3
B. PH3
C. AsH3
D. SbH3
3 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
4 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca
5 The acid which has a peroxy linkage is
A. Sulphurous acid
B. Pyrosulphuric acid
C. Dithionic acid
D. Caro's acid
6 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
7 Carbonates of alkali metals dissolves freely in water to form
A. Acidic solutions
B. Neutral solution
C. Alkaline solution
D. None of these
8 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
9 Polyanion formation is maximum in
A. Nitrogen
B. Oxygen
C. Sulphur
D. Boron
10 As a fixing agent in photography, sodium thisoulphate is used for
A. Dissolving out unreacted silver bromide
B. Converting silver
C. Reducing solubility of AgBr
D. Preventing overdeveloping and fogging

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