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

Baking powder has which one of the following formula

Question # 2

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

Question # 3

Marble is chemically

Question # 4

NaHCO3is prepared by

Question # 5

Borax is hydrated:

Question # 6

Down's cell is used to prepare

Question # 7

White P when boiled with strong solution of caustic soda produces

Question # 8

Phosphide ion has the electronic structure similar to that of

Question # 9

Silicon atom is hybridized:

Question # 10

Which of the following sulphates has the highest solubility in water

Question # 11

Which element has highest oxidation potential

Question # 12

Commercial common salt becomes slight damp on storing because

Question # 13

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

Question # 14

Oleum is

Question # 15

What causes nitrogen to be chemically inert?

Question # 16

Hybridized in carbon is:

Question # 17

Which of the following form normal oxide

Question # 18

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 19

______ reacts with alkalis to give hydrogen

Question # 20

Bond angle is minimum for

Question # 21

Which of the following fluorides does not exists?

Question # 22

Which of the following are electropositive in nature

Question # 23

P2O5is heated with water to give

Question # 24

Gypsum is a common mineral of

Question # 25

Alkali metals react violently with halogens to form

Question # 26

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 # 27

Crystalline form of sulphur stable at room temperature is

Question # 28

The oxidation number of each element of group l-A is

Question # 29

Which of the following salt is used as purgative

Question # 30

______ is called milk of magnesia

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
2 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
3 Boric acid cannot be used:
A. An antiseptic in medicine
B. For washing eyes
C. In soda bottles
D. For enamels and glazes
4 When ammonia is heated with cupric oxide, a molecule of ammonia will
A. Gain 3 electrons
B. Lose 3 electrons
C. Gain 2 electrons
D. Lose 2 electrons
5 Which of the following equations represents the action of heat on NaHCO3
6 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn
7 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
8 Which of the following is acidic?
A. SO3
B. N2O
C. BeO
D. HgO
9 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
10 Sodium is never found free in nature because of its
A. Chemical reactivity
B. Small ionic size
C. Small atomic volume
D. None of these

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