Which is the correct statement?
The solubility of sugar in water is more than the solubility of salt in water.
The solubility of sugar in water is less than the solubility of salt in water.
The solubility of sugar in water is equal to the solubility of salt in water.
The solubility of sugar in water is sometimes less and sometimes more than the solubility of salt in water.
Evaporation is a:
Physical change
Chemical change
Both of the above
Permanent change
Formation of curd from milk is a
None of the above
Cooking of food is a .
Physical change is
Temporary
Permanent
Semi permanent
Which of the following given below is not an example of irreversible change?
Cooking of food
Ripening of fruit
Blooming of flowers
Melting of chocolate
Cakes are made fluffy by adding
Yeast
Sodium bi carbonate
Both yeast and sodium bicarbonate
Lemon juice
Burning of paper is a
Which of the following given below is an example of reversible change?
Evaporation of water
In a chemical change
Energy is given out
Energy is absorbed
Energy is neither given out nor absorbed
Energy is either absorbed or given out
