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

Sodium should be stored in

Question # 2

Which of the following is the hardest metal among following

Question # 3

The acid which has a peroxy linkage is

Question # 4

Which of the element is not an alkaline earth metal

Question # 5

Where lime is not used

Question # 6

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

Question # 7

Which one of the following pentafluorides cannot be formed?

Question # 8

Which one of the following elements occurs free in nature?

Question # 9

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 # 10

Which of all following compound is not possible

Question # 11

The element caesium bears resemblance with

Question # 12

BiCl3on hydrolysis forms a white precipitate of

Question # 13

Ozone is not

Question # 14

NaHCO3is prepared by

Question # 15

Identify the incorrect statement with respect to ozone

Question # 16

Silicon atom is hybridized:

Question # 17

All the following decompose easily on heating to give oxygen except

Question # 18

The structure of white phosphorus is

Question # 19

Which of the following salt is used as purgative

Question # 20

NaHCO3is commonly called

Question # 21

The formula of lime stone is

Question # 22

Which of the following compounds is explosive in nature?

Question # 23

Phosphine is not obtained by the reaction when

Question # 24

Dipole moment of CO molecule is:

Question # 25

The most acidic of the following compounds is

Question # 26

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

Question # 27

Alkali metals react violently with halogens to form

Question # 28

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

Question # 29

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

Question # 30

Boric acid cannot be used:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Chemical composition of colemnite is:
A. Ca2B6O11.5H2O
B. CaB4O7 .4 H2O
C. Na2B7O7. 4 H2O
D. CaNaB5O9.8H2O
2 Identify the incorrect statement with respect to ozone
A. Ozone is formed in the upper atmosphere by a photochemical reaction involving dioxygen
B. Ozone is more reactive than diaoxygen
C. Ozone is diamagnetic whereas dioxygen is paramagnetic
D. Ozone protects the earth's inhabitants by absorbing gamma-radiations
3 Which of the following statement is not related to Solvay's process of Na2CO3
A. Cheap materials
B. Pure product
C. Continuous process
D. Harmful by-products
4 Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
5 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
6 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
7 Which of the following form normal oxide
A. K
B. Li
C. Na
D. None
8 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
9 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
10 Which metal is used in the thermit process because of its activity?
A. Iron
B. Copper
C. Alumnium
D. Zinc

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