What happen when: a. Magnesium Burns in oxygen.
b. Calcium carbonate is heated.
c. Hydrogen reacts with nitrogen at necessary condition.
d. potassium hydroxide reacts with nitric acid.
e. Carbon dioxide is treated with limewater.
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a. Magnesium Burns in oxygen.

--⟩it produces light bright enough to blind you temporarily.

b. Calcium carbonate is heated.

--⟩ form calcium oxide and evolve carbon dioxide gas.

c. Hydrogen reacts with nitrogen at necessary condition.

⟩some of the hydrogen and nitrogen will react to form ammonia.

d. potassium hydroxide reacts with nitric acid.

---⟩When potassium reacts with nitric acid then, potassium displace hydrogen from its solution and becomes colorless liquid.

e. Carbon dioxide is treated with limewater.

---⟩to form a white precipitate (appears milky) of calcium carbonate, CaCO 3.

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