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

00:00
Question # 1

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

Question # 2

Which salt is used for preserving food

Question # 3

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

Question # 4

Which of the following is formed by the action of water on sodium peroxide?

Question # 5

Gypsum is applied to the soil to provide calcium and

Question # 6

All the elements of oxygen family are

Question # 7

Which is used to remove air bubbles form metals?

Question # 8

Which colour is imparted by sodium

Question # 9

Calcium carbide reacts with water to produce

Question # 10

Which element forms an iron with charge 3+?

Question # 11

The chemical formula of magnesite is

Question # 12

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

Question # 13

Oleum is

Question # 14

Which is not the form of silica?

Question # 15

Al is the most element in earth crust:

Question # 16

The element caesium bears resemblance with

Question # 17

Alkali metals react violently with halogens to form

Question # 18

Basicity of orthoposphoric acid is

Question # 19

The acid which has a peroxy linkage is

Question # 20

Baking powder has which one of the following formula

Question # 21

S-block elements consist of

Question # 22

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 # 23

Lithium reacts with air to form

Question # 24

Which of the following equations represents the action of heat on NaHCO3

Question # 25

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

Question # 26

NaHCO3is commonly called

Question # 27

The silver bromide in hypo (Na2S2O3) solution is

Question # 28

Hybridized in oxygen is:

Question # 29

White phosphorus is

Question # 30

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4
2 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic
3 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
4 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
5 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
6 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn
7 NaHCO3is prepared by
A. Down's process
B. Solvay's process
C. Nelson's process
D. None of these
8 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
9 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
10 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3

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