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 oxidation number of each element of group ll-A is

Question # 2

The element caesium bears resemblance with

Question # 3

Tincal is a mineral of:

Question # 4

Basicity of orthoposphoric acid is

Question # 5

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

Question # 6

CaC2on hydrolysis form

Question # 7

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

Question # 8

Baking powder has which one of the following formula

Question # 9

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

Question # 10

Sodium is never found free in nature because of its

Question # 11

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 12

What causes nitrogen to be chemically inert?

Question # 13

Ozone is not

Question # 14

Which is an essential constituent of chlorophyll

Question # 15

Which one of the following does not belong to alkaline earth metals

Question # 16

The maximum number of electrons in the outermost shall of s-black elements is

Question # 17

The chemical formula of chile salt peter is

Question # 18

Which element has highest oxidation potential

Question # 19

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

Question # 20

Gypsum is applied to the soil to provide calcium and

Question # 21

Which carbonate of alkali metals is insoluble in water

Question # 22

The formula of lime stone is

Question # 23

Which is litharge or massicot?

Question # 24

Which on of the following compounds does not exist?

Question # 25

Which will have the maximum value of heat of hydration

Question # 26

What is chrome yellow?

Question # 27

Which is used in navigational equipments?

Question # 28

When SO2is passed through acidified K2Cr2O7solution

Question # 29

Phosphorus pentoxide finds use as

Question # 30

Which colour is imparted by sodium

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
2 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
3 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
4 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te
5 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic
6 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
7 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
8 On alkali and alkaline earth metals down the group, there is decreasing trend in
A. m.p.
B. b.p.
C. Ionization potentiall
D. All of these
9 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
10 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All

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