Fill in the blanks:(a) Water has................density and...........

1.	Fill in the blanks:(a) Water has................density and.............. volume at 4°C.(b) Freezing mixture contains............. and..........(c) The solubility of a gas in water.............. with rise in temperature and with rise ...............in pressure.(d) .............is the purest form of natural water.(e) Use of excessive................ by farmers causes water pollution.(f) Boiling removes the..............hardness of water.(g) Water turns the color of anhydrous copper sulphate............. (h) Water turns the color of anhydrous copper sulphate...............
Answer» (a) Water has maximum density and minimum volume at 4°C. (b) Freezing mixture contains ice and salt. (c) The solubility of a gas in water increases with rise in temperature and decreases with rise in pressure. (d) Rain water is the purest form of natural water. (e) Use of excessive fertilizers by farmers causes water pollution. (f) Boiling removes the temporary hardness of water. (g) Water turns the color of anhydrous copper sulphate blue. (h) Water turns the color of anhydrous copper sulphate scum.

Fill in the blanks:(a) Water has................density and.............. volume at 4°C.(b) Freezing mixture contains............. and..........(c) The solubility of a gas in water.............. with rise in temperature and with rise ...............in pressure.(d) .............is the purest form of natural water.(e) Use of excessive................ by farmers causes water pollution.(f) Boiling removes the..............hardness of water.(g) Water turns the color of anhydrous copper sulphate............. (h) Water turns the color of anhydrous copper sulphate...............

Answer»

(a) Water has maximum density and minimum volume at 4°C.

(b) Freezing mixture contains ice and salt.

(d) Rain water is the purest form of natural water.

(e) Use of excessive fertilizers by farmers causes water pollution.

(f) Boiling removes the temporary hardness of water.

(g) Water turns the color of anhydrous copper sulphate blue.

(h) Water turns the color of anhydrous copper sulphate scum.