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 one of the following properties is not correct for ozone?

Question # 2

Ozone is not

Question # 3

Which carbonate of alkali metals is insoluble in water

Question # 4

Which is litharge or massicot?

Question # 5

Corrundam is ore of:

Question # 6

The acid used in lead storage cells is

Question # 7

Which of the following element is most reactive

Question # 8

Which of the following sulphates has the highest solubility in water

Question # 9

Basicity of orthoposphoric acid is

Question # 10

Boric acid cannot be used:

Question # 11

Pb has inert pair of electrons:

Question # 12

Which of the element is not an alkaline earth metal

Question # 13

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 14

Heavy water is obtained by

Question # 15

BiCl3on hydrolysis forms a white precipitate of

Question # 16

The chemical formula of Epson salt is

Question # 17

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

Question # 18

Permonosulphuric acid is known as

Question # 19

Which of the following has highest dipole moment?

Question # 20

The element caesium bears resemblance with

Question # 21

Which of the following compounds is explosive in nature?

Question # 22

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

Question # 23

When SO2is passed through acidified K2Cr2O7solution

Question # 24

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

Question # 25

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 26

Crystalline form of sulphur stable at room temperature is

Question # 27

HNO2acts as an/a

Question # 28

Which colour is imparted by sodium

Question # 29

Calcium carbide reacts with water to produce

Question # 30

Chief ore of aluminium is:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
2 Which of the following is acidic?
A. SO3
B. N2O
C. BeO
D. HgO
3 A compound used as eye wash:
A. Borax
B. Boric acid
C. Metabolic acid
D. Pyroboric acid
4 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4
5 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
6 Which of the following are electropositive in nature
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Alkali and alkaline earth metals
7 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
8 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
9 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these
10 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2

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