Question # 1

Which of the following is insoluble salt

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KCl

AgCl

NaCl

CaCl2

Which one of the example of colloid.

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Paints

Milk of magnesia

Jelly

None of these

In whcih state of matter does not hae definite shape and volume.

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Liquid

Gas

Solid

All of these

How many moles are there in 25 g of H₂SO₄?

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0.765 Moles

0.255 moles

0.4 moles

0.51 moles

What will hapen to the concentrations of the prodcut if a reversible reaction at eqiulibrium is not distrubed.

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They will keepon increasing

They will keep on decreasing

They will remain constant

They willremain constant for some time and then start decreasing

The distance between the neclei of two carbon atoms in its elemetnal from is

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150 pm

152 pm

154 pm

156 pm

Point out the incorrect statement about electron affinity

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It decreases in a period

It decreases in a group

It is measure din kJmol-1

None of these

Which one of the following compounds will hae the highest percentage of the mass of nitrogen?

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N2H4

CO (NH2)2

NH3

NH2OH

¹³ C and ¹⁴ C are both present in nature.

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0,1 %

1.1 %

0.9 %

1.5 %

Which halogen memebr exists in a liquid stte at room temperature

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Bromine

Chlorine

Fluroine

Iodine

The colour of hydrated copper (II) sulphate solid is.

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Black

Pink

White

Blue

Which metal has the lowest melting point?

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Li

Na

Rb

K

The mass of one molecule of water is.

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18 g

18 mg

18 kg

18 amu

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