Chemical Reactions And Bonding Test

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Chemical Reactions And Bonding Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following information is not conveyed by the chemical formula of a compound?

A
Names of the elements constituting that compound

B
Ratio of different elements present in that compound

C
Number of different types of elements present in that compound

D
Chemical bond holding the constituent atoms of the compound.
Question 2
1 / -0

HNO₃ is the molecular formula of nitric acid. How many total number of atoms are present in one molecule of nitric acid?

A
2

B
3

C
4

D
5

Solution

Total number of atoms is nitric acid is 5.
1 hydrogen atom
1 nitrogen atom
3 oxygen atoms
Question 3
1 / -0

What does the subscript 3 indicate in the formula of aluminium sulphate?

A
Number of aluminium ions

B
Number of aluminium atoms

C
Number of oxygen atoms

D
Number of sulphate ions

Solution

The formula of aluminium sulphate is: Al₂(SO₄^2-)₃. It is clear from the formula, subscript 3 indicates that number of sulphate ions is 3.
Question 4
1 / -0

Which of the following subscript is omitted while writing the chemical formula of compound?

A
0

B
1

C
2

D
7
Question 5
1 / -0

Which of the following metals does not undergo corrosion?

A
Silver

B
Iron

C
Gold

D
Copper

Solution

Gold is highly unreactive and never undergoes corrosion.
Question 6
1 / -0

Which of the following names correctly represents the IUPAC name of the compound BF₃?

A
Boron fluoride

B
Boron trifluoride

C
Trifluoroboron

D
Monoboron trifluoride
Question 7
1 / -0

In a chemical reaction, _______ are (is) produced as a result of a chemical change.

A
reactants

B
products

C
catalysts

D
heat and light

Solution

A chemical reaction is a chemical change which forms new substances. The substances that participate in a chemical reaction are called reactants. The substances that are formed are called products.
Question 8
1 / -0

Which of the following metals will replace copper from copper sulphate solution?

A
Mercury

B
Silver

C
Magnesium

D
Gold
Question 9
1 / -0

P is a non metal, Q is a metal. Valency of Q is 2 and valency of P is 6. What will be the molecular formula of the compound formed by P and Q?

A
P₂Q₆

B
PQ₃

C
P₃Q

D
Q₂P₃

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Chemical Reactions And Bonding Test - 1

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Chemical Reactions And Bonding Test - 1

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Question 1

Names of the elements constituting that compound

Ratio of different elements present in that compound

Number of different types of elements present in that compound

Chemical bond holding the constituent atoms of the compound.

Question 2

2

3

4

5

Solution

Question 3

Number of aluminium ions

Number of aluminium atoms

Number of oxygen atoms

Number of sulphate ions

Solution

Question 4

0

1

2

7

Question 5

Silver

Iron

Gold

Copper

Solution

Question 6

Boron fluoride

Boron trifluoride

Trifluoroboron

Monoboron trifluoride

Question 7

reactants

products

catalysts

heat and light

Solution

Question 8

Mercury

Silver

Magnesium

Gold

Question 9

P2Q6

PQ3

P3Q

Q2P3

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P₂Q₆

PQ₃

P₃Q

Q₂P₃