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 salt is used for the treatment of hyperacidity in stomach

Question # 2

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

Question # 3

Which is used in navigational equipments?

Question # 4

Hybridized in carbon is:

Question # 5

Which one of the following elements occurs free in nature?

Question # 6

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 7

______ gives peroxide

Question # 8

Gypsum is a common mineral of

Question # 9

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

Question # 10

Phosphide ion has the electronic structure similar to that of

Question # 11

Hypo is used in photography for

Question # 12

Ozone is not

Question # 13

The number of electron that are paired in oxygen molecule are

Question # 14

What is the formula of asbestos?

Question # 15

Boric acid cannot be used:

Question # 16

Crystalline form of sulphur stable at room temperature is

Question # 17

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

Question # 18

The chemical formula of Trona is

Question # 19

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 20

Which of the following elements is most metallic?

Question # 21

Where lime is not used

Question # 22

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 23

Orthophosphoric acid is

Question # 24

In the earth crust sodium is

Question # 25

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

Question # 26

Which one of the following is not an alkali metal

Question # 27

White phosphorus is

Question # 28

Electron affinity of sulphur is

Question # 29

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

Question # 30

Phosphine is not obtained by the reaction when

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Sodium forms largely
A. Normal oxides
B. Per-oxides
C. Superoxides
D. None of these
2 Lime, calcium oxide, is used in agriculture for
A. Adding ca metal in soil
B. Making soil acidic
C. Neutralizing acidic soil
D. Adding oxygen to soil
3 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3
4 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture
5 LiOH ______ soluble than NaOH
A. More soluble
B. Less soluble
C. Equally soluble
D. None
6 In a group IIA from top to bottom as the atomic number increases, there is regular decreases in
A. Ionic size
B. Atomic size
C. Ionization potential
D. None of these
7 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
8 A compound used as eye wash:
A. Borax
B. Boric acid
C. Metabolic acid
D. Pyroboric acid
9 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
10 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent

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