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 is lighter

Question # 2

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

Question # 3

Crystalline form of sulphur stable at room temperature is

Question # 4

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

Question # 5

Ozone is not

Question # 6

Which of the following salt is used as purgative

Question # 7

Phosphine is not obtained by the reaction when

Question # 8

White P when boiled with strong solution of caustic soda produces

Question # 9

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

Question # 10

NaHCO3is commonly called

Question # 11

Which is not the form of silica?

Question # 12

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

Question # 13

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

Question # 14

Alkaline earth metals posses two electrons in their outermost

Question # 15

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

Question # 16

Identify the incorrect statement with respect to ozone

Question # 17

Which one of the following pentafluorides cannot be formed?

Question # 18

When SO2is passed through acidified K2Cr2O7solution

Question # 19

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 20

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?

Question # 21

Which of the following elements is not present abundantly in earth's crust?

Question # 22

The chemical formula of Trona is

Question # 23

Hypo is used in photography for

Question # 24

Which of the following is not the reactions of lithium

Question # 25

Sulphuric acid reacts with PCl5to give

Question # 26

Solvay process is used in the manufacture of

Question # 27

Which is litharge or massicot?

Question # 28

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 29

Which of the following sulphates has the highest solubility in water

Question # 30

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following is not the reactions of lithium
3 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
4 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
5 Which of the following phosphorus is most reactive?
A. Red phosphorus
B. White phosphorus
C. Scrlet phosphorus
D. Violet phosphorous
6 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
7 Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because
A. Sodium chloride does not ionize in the water solution
B. Sodium chloride is not soluble in water
C. Sodium deposited at the cathode may react with water to form sodium hydroxide
D. Electricity does not pass through aqueous NaCl
8 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca
9 Aluminium oxide is:
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxided
D. None of these
10 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4

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