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 form normal oxide

Question # 2

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

Question # 3

Alkaline earth metals posses two electrons in their outermost

Question # 4

Chief ore of aluminium is:

Question # 5

Where lime is not used

Question # 6

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

Question # 7

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

Question # 8

When SO2is passed through acidified K2Cr2O7solution

Question # 9

NaHCO3is commonly called

Question # 10

Solvay process is used in the manufacture of

Question # 11

The acid used in lead storage cells is

Question # 12

Gypsum is a common mineral of

Question # 13

Which is used in navigational equipments?

Question # 14

Baking powder has which one of the following formula

Question # 15

Which of all following compound is not possible

Question # 16

The metal with highest electrical resistance at room temperature is

Question # 17

Which salt is used for the treatment of hyperacidity in stomach

Question # 18

Pb has inert pair of electrons:

Question # 19

Which is used to remove air bubbles form metals?

Question # 20

Oleum is

Question # 21

Density of aluminium is (g cm-3):

Question # 22

Which one of the following pentafluorides cannot be formed?

Question # 23

Alkaline earth metals are usually

Question # 24

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

Question # 25

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

Question # 26

Al is the most element in earth crust:

Question # 27

The most acidic of the following compounds is

Question # 28

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

Question # 29

Sodium is never found free in nature because of its

Question # 30

Which of the following is a tetrabasic acid?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following equations represents the action of heat on NaHCO3
2 Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because
A. Sulphur is present in the mixture as impurity
B. IV group radicals are precipitated as sulphides
C. Of the oxidation of H2S gas by some acid radicals
D. III group radicals are precipitated as hydroxides
3 All the following decompose easily on heating to give oxygen except
A. Lead nitrate
B. Potassium chlorate
C. Mercuric oxide
D. Manganese dioxide
4 BiCl3on hydrolysis forms a white precipitate of
A. Bismuthio acid
B. Bismuth oxychloride
C. Bismuth pentachloride
D. Bismuth hydroxide
5 Down's cell is used to prepare
A. Sodium carbonate
B. Sodium bicarbonate
C. Sodium metal
D. Sodium hydroxide
6 Which one of the following is not an alkali metal
A. Francium
B. Caesium
C. Rubidium
D. Radium
7 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite
8 Which shows maximum catenation property?
A. S
B. Se
C. Te
D. O
9 Carbonates of alkali metals dissolves freely in water to form
A. Acidic solutions
B. Neutral solution
C. Alkaline solution
D. None of these
10 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three

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