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

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 2

Which of the following is acidic?

Question # 3

Which of the following has highest dipole moment?

Question # 4

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

Question # 5

Hybridized in carbon is:

Question # 6

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

Question # 7

A compound used as eye wash:

Question # 8

In the earth crust sodium is

Question # 9

Which one of the following properties is not correct for ozone?

Question # 10

Which of the following is lighter

Question # 11

Which carbonate of alkali metals is insoluble in water

Question # 12

Where lime is not used

Question # 13

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

Question # 14

Which of the following is a tetrabasic acid?

Question # 15

Identify the incorrect statement with respect to ozone

Question # 16

Aluminium oxide is:

Question # 17

Which shows maximum catenation property?

Question # 18

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

Question # 19

NaHCO3is commonly called

Question # 20

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 21

Heavy water is obtained by

Question # 22

Which is an essential constituent of chlorophyll

Question # 23

Basicity of orthoposphoric acid is

Question # 24

______ reacts with alkalis to give hydrogen

Question # 25

S-block elements consist of

Question # 26

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 27

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

Question # 28

Which of the following salt is soluble in water

Question # 29

Alkali metals react violently with halogens to form

Question # 30

Lithium reacts with air to form

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
2 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic
3 What is going to replace the petroleum?
A. Silica
B. Silicates
C. Silicones
D. Silicon
4 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
5 The metal with highest electrical resistance at room temperature is
A. Pb
B. Te
C. Po
D. Fe
6 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
7 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te
8 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent
9 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
10 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2

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