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 following element is most reactive

Question # 2

All the following decompose easily on heating to give oxygen except

Question # 3

Which will have the maximum value of heat of hydration

Question # 4

Which of the following is acidic?

Question # 5

The chemical formula of Epson salt is

Question # 6

Which is used in navigational equipments?

Question # 7

The chemical formula of chile salt peter is

Question # 8

The maximum number of electrons in the outermost shall of s-black elements is

Question # 9

A compound used as eye wash:

Question # 10

Which of the following form normal oxide

Question # 11

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 12

Hybridized in carbon is:

Question # 13

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

Question # 14

Baking powder has which one of the following formula

Question # 15

Which is litharge or massicot?

Question # 16

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

Question # 17

Electron affinity of sulphur is

Question # 18

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

Question # 19

Which of the following sulphates has the highest solubility in water

Question # 20

Silicon atom is hybridized:

Question # 21

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

Question # 22

The number of electron that are paired in oxygen molecule are

Question # 23

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

Question # 24

Density of aluminium is (g cm-3):

Question # 25

Which element has highest oxidation potential

Question # 26

What causes nitrogen to be chemically inert?

Question # 27

Calcium carbide reacts with water to produce

Question # 28

Heavy water is obtained by

Question # 29

Lime, calcium oxide, is used in agriculture for

Question # 30

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following has highest dipole moment?
A. NH3
B. PH3
C. AsH3
D. SbH3
2 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
3 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
4 Corrundam is ore of:
A. Li
B. Be
C. B
D. Al
5 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
6 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4
7 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
8 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
9 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
10 Carbonates of alkali metals dissolves freely in water to form
A. Acidic solutions
B. Neutral solution
C. Alkaline solution
D. None of these

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