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 oxide of beryllium is

Question # 2

Which of the following is lighter

Question # 3

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

Question # 4

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

Question # 5

Basicity of orthoposphoric acid is

Question # 6

S-block elements consist of

Question # 7

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

Question # 8

Gypsum is a common mineral of

Question # 9

______ reacts with alkalis to give hydrogen

Question # 10

______ is used in breathing equipments for mountaineers and in space craft

Question # 11

The silver bromide in hypo (Na2S2O3) solution is

Question # 12

The chemical formula of magnesite is

Question # 13

Which of the following is not the reactions of lithium

Question # 14

Which of the following is acidic?

Question # 15

The element caesium bears resemblance with

Question # 16

Which shows maximum catenation property?

Question # 17

Polyanion formation is maximum in

Question # 18

White P when boiled with strong solution of caustic soda produces

Question # 19

BiCl3on hydrolysis forms a white precipitate of

Question # 20

The most acidic of the following compounds is

Question # 21

Boric acid cannot be used:

Question # 22

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

Question # 23

Which salt is used for preserving food

Question # 24

Sodium is never found free in nature because of its

Question # 25

The metal with highest electrical resistance at room temperature is

Question # 26

Where lime is not used

Question # 27

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

Question # 28

Which one of the following is not an alkali metal

Question # 29

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

Question # 30

Which is an essential constituent of chlorophyll

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
2 Which element forms an iron with charge 3+?
A. Berylium
B. Aluminium
C. Carbon
D. Silicon
3 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
4 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3
5 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
6 LiOH ______ soluble than NaOH
A. More soluble
B. Less soluble
C. Equally soluble
D. None
7 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
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 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson
10 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three

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