Sugar and copper sulphate crystals are dissolved in water. The solution is called as ________.

(a)

binary

(b)

trinary

(c)

ternary

(d)

quartenary

40 g of sodium chloride in 100 g of water at 25⁰ C forms ________ solution.

(a)

Super saturated

(b)

Unsaturated

(c)

Saturated

(d)

Both (a) and (b)

8% of NaCI solution is

(a)

8g of NaCl in 100g of water

(b)

8g of NaCl in 92g of water

(c)

92g of NaCl in 8g of water

(d)

92g of NaCl in 100g of water

White vitriol is ________

(a)

CaSO₄·7H₂O

(b)

MgSO₄.7H₂O

(c)

K₂SO₄.7H₂O

(d)

ZnSO₄.7H₂O

Anhydrous copper sulphate is _______ in colour.

(a)

blue

(b)

bluish green

(c)

colourless

(d)

black