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 elements is most metallic?

Question # 2

The silver bromide in hypo (Na2S2O3) solution is

Question # 3

Which shows maximum catenation property?

Question # 4

The electrolytic cell used for the production of metallic sodium is known as

Question # 5

A compound used as eye wash:

Question # 6

Which is an essential constituent of chlorophyll

Question # 7

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

Question # 8

Permonosulphuric acid is known as

Question # 9

Gypsum is applied to the soil to provide calcium and

Question # 10

Which is litharge or massicot?

Question # 11

The oxide of beryllium is

Question # 12

Dipole moment of CO molecule is:

Question # 13

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

Question # 14

Silicon atom is hybridized:

Question # 15

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

Question # 16

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 17

Which of the following form normal oxide

Question # 18

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

Question # 19

Which of the following oxides is peroxide?

Question # 20

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

Question # 21

NaHCO3is commonly called

Question # 22

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

Question # 23

Which of the following is lighter

Question # 24

The alkali metals form

Question # 25

P2O5is heated with water to give

Question # 26

The chemical formula of gypsum is

Question # 27

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

Question # 28

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

Question # 29

Lime, calcium oxide, is used in agriculture for

Question # 30

BiCl3on hydrolysis forms a white precipitate of

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3
2 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
3 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium
4 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3
5 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
6 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
7 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these
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 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4
10 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl

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