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Question 4
A
A covalent compound , YZ is formed 
B
A covalent compound, ZY is formed 
C
An ionic compound, YZ is formed 
D
An ionic compound, ZY is formed 
Explanation.
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No official Explanation yet!


Correct Option:
A
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Question 7
A
26.88g 
B
13.44g 
C
6.72g 
D
3.36g 
Explanation.
Share Answer 300cm3 of 0.4moldm3

1000cm3 contains 0.4mole

300cm3 will contain \(\frac{300 \times 0.4}{1000}\)

= 0.12mole

Number of moles = \(\frac{Mass}{\text {Molecular mass}}\)

Mass = number of moles x m.mass

= 0.12 x 56 = 6.72g

Correct Option:
C
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Question 9
A
Is hard and brittle 
B
Is light and resists corrosion 
C
Has high density and conducts electricity 
D
Is malleable and ductile 
Explanation.
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No official Explanation yet!


Correct Option:
B
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Question 10
A
Cannot dissolve more solute 
B
Can hold more solute than it can actually dissolve 
C
Can still dissolve more solute at given temperature 
D
Form crystal more easily on cooling 
Explanation.
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No official Explanation yet!


Correct Option:
C
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