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

The chemical formula of magnesite is

Question # 2

What is the formula of asbestos?

Question # 3

Which of the following elements is most metallic?

Question # 4

______ reacts with alkalis to give hydrogen

Question # 5

Phosphorus pentoxide finds use as

Question # 6

Which one of the following pentafluorides cannot be formed?

Question # 7

Which has soapy touch?

Question # 8

Which of the following are electropositive in nature

Question # 9

Marble is chemically

Question # 10

Plaster of pares is obtained by heating

Question # 11

Which one of the following is not an alkali metal

Question # 12

Commercial common salt becomes slight damp on storing because

Question # 13

All the elements of oxygen family are

Question # 14

Hybridized in oxygen is:

Question # 15

Which of the element is not an alkaline earth metal

Question # 16

Which of the element is not alkali metal

Question # 17

Silicon atom is hybridized:

Question # 18

The element which has a simple cubic lattice in solid state is

Question # 19

Gypsum is a common mineral of

Question # 20

Alkaline earth metals posses two electrons in their outermost

Question # 21

HNO2acts as an/a

Question # 22

Which is an essential constituent of chlorophyll

Question # 23

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 24

When SO2is passed through acidified K2Cr2O7solution

Question # 25

Which of the following form normal oxide

Question # 26

White P when boiled with strong solution of caustic soda produces

Question # 27

Which of the following is a tetrabasic acid?

Question # 28

The element caesium bears resemblance with

Question # 29

Dipole moment of CO molecule is:

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 A compound used as eye wash:
A. Borax
B. Boric acid
C. Metabolic acid
D. Pyroboric acid
2 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson
3 Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?
A. It will react with water to liberate oxygen
B. Its hydroxide will be a strong alkali in water
C. Its carbonate will decompose on heating to give carbon dioxide
D. Its nitrate on heating will give nitrogen dioxide and oxygen
4 Basicity of orthoposphoric acid is
A. 2
B. 3
C. 4
D. 5
5 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
A. Stronger reducing agents
B. More ionic
C. More basic
D. More volatile
6 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
7 Which of the following equations represents the action of heat on NaHCO3
8 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
9 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
10 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra

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