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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

00:00
Question # 1

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 2

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 3

Which metal is used in the thermit process because of its activity?

Question # 4

What causes nitrogen to be chemically inert?

Question # 5

What is chrome yellow?

Question # 6

______ is used in breathing equipments for mountaineers and in space craft

Question # 7

All the elements of oxygen family are

Question # 8

All the following decompose easily on heating to give oxygen except

Question # 9

______ is called milk of magnesia

Question # 10

Which is used in navigational equipments?

Question # 11

Chemical composition of colemnite is:

Question # 12

The alkaline earth elements have in their s-orbital

Question # 13

Calcium carbide reacts with water to produce

Question # 14

Orthophosphoric acid is

Question # 15

Oleum is

Question # 16

Lime, calcium oxide, is used in agriculture for

Question # 17

Alkaline earth metals are usually

Question # 18

Permonosulphuric acid is known as

Question # 19

The formula of lime stone is

Question # 20

Which is not the form of silica?

Question # 21

Which of the element is not alkali metal

Question # 22

Each of the following is true of white and red phosphours except that they

Question # 23

Gypsum is applied to the soil to provide calcium and

Question # 24

Gypsum is a common mineral of

Question # 25

Heavy water is obtained by

Question # 26

Which of the following fluorides does not exists?

Question # 27

The silver bromide in hypo (Na2S2O3) solution is

Question # 28

Which salt is used for preserving food

Question # 29

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 30

Which is used to remove air bubbles form metals?

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 14 Group IIIA & IVA Elements MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 14 Group IIIA & IVA Elements MCQ`s Test

  • N
    Nasreen Sardar 09 - Jun - 2023 05 Min 45 Sec 115/120
  • T
    Tasawar Hussain 22 - Feb - 2024 04 Min 52 Sec 110/120
  • T
    TETO Teto 13 - Mar - 2023 01 Min 57 Sec 105/120
  • O
    Omer Farooq 11 - Mar - 2023 13 Min 21 Sec 100/120
  • R
    Rana Muzamil 11 - Mar - 2024 05 Min 18 Sec 90/120
  • A
    Arian Ahmed 07 - Mar - 2024 00 Min 05 Sec 75/120
  • A
    Anibullah Anib 26 - Feb - 2024 09 Min 31 Sec 75/120
  • G
    Gulbaz Nadeem 14 - May - 2024 09 Min 43 Sec 75/120
  • C
    Chhabibullah1492 Habib 26 - Feb - 2024 11 Min 13 Sec 75/120
  • D
    Daim Ali 05 - Dec - 2023 04 Min 00 Sec 70/120
  • A
    Ahmed Ashraf 12 - Mar - 2023 02 Min 24 Sec 65/120
  • A
    Azeema Siddique Muhammad Siddique 06 - Mar - 2024 03 Min 52 Sec 65/120
  • F
    Fatima Isfa 26 - Feb - 2024 08 Min 58 Sec 65/120
  • N
    Naheed Yasir 29 - May - 2024 06 Min 39 Sec 60/120
  • Z
    Zoya Zoya 27 - May - 2024 11 Min 34 Sec 60/120

ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
2 The oxidation number of each element of group l-A is
A. 0
B. +1
C. +2
D. -1
3 Basicity of orthoposphoric acid is
A. 2
B. 3
C. 4
D. 5
4 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
5 Sulphuric acid has great affinity for water because
A. It hydrolyses the acid
B. It decomposes the acid
C. Acid forms hydrates with water
D. Acid decomposes water
6 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
7 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
8 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te
9 Which one of the following is not an alkali metal
A. Francium
B. Caesium
C. Rubidium
D. Radium
10 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!