Advertisements
Advertisements
प्रश्न
Multiple choice:
Which of the following is not a characteristic of a chemical change?
पर्याय
It is irreversible.
No net energy change is involved.
New substance is formed.
Involves absorption or liberation of energy.
Advertisements
उत्तर
No net energy change is involved.
APPEARS IN
संबंधित प्रश्न
How would you show that setting of curd is a chemical change?
How do the following help in bringing about a chemical change?
pressure.
Complete and balance the following chemical equations:
Fe `"SO"_4` + NaOH `→`
(aq.) (aq.)
Explain the following reaction with one suitable example of Decomposition reaction
What do you observe? When
Sodium chloride solution is added to silver nitrate solution.
Give one example electrochemical reaction.
Name: A greenish-yellow gas.
Explain the following statement: Digestion is a chemical change.
A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. It becomes hard on drying to keep the fractured bone immobilised. Can the change in POP be reversed?
The chemical name of baking soda is sodium bicarbonate.
