On applying alum to cuts and wounds, bleeding stops. Explain.

Aluminium salt used to stop bleeding is-

Alum is used to treat minor cuts after shaving . Explain.

Healing of cuts and wounds is (a) Repair (b) Regeneration (c) Dedifferentiation (d) Growth

Assertion (A): A person who has received a cut and is bleeding needs to be given antitetanus treatment. Reason(R): Antitetanus injection provides immunity by producing antibodies for tetanus.

Why does bleeding stops by rubbing moist alum?

Which vitamins helps to stop bleeding?

When freshly cut, the alkali metals appear lustrous but their swfaces get tarnished when exposed to air. Explain your answer with reasons.

Why does bleeding stop by rubbing moist alum?

Thermite reaction cannot be stopped by pouring water. Explain.

Given below are assertion and reason. Point out if both are true and reason is correct explanation (A), both are true but reason is not correct explanation (B), assertion is true but reason is wrong (C ) and both are wrong (D). Assertion. In a tadpole, if thyroid is cut, metamorphosis stops. Reason. TSH is not secreted.