What type of chemical reaction takes place when i) limestone is heated?
ii) a magnesium ribbon is burnt in air?

Open in App

Solution

(i) Decomposition reaction takes place when limestone is heated
$C a C O_{3} (s) (L i m e s t o n e) h e a t - -- \to C a O (s) (Q u i c k L i m e) + C O_{2} (g)$
(ii) Combination Reaction takes place when a magnesium ribbon is burnt in air.
$2 M g (s) + O_{2} (g) ⟶ 2 M g O (s)$

Suggest Corrections

Similar questions

Q. What type of chemical reaction takes place when:
(a) lime stone is heated.
(b) a magnesium ribbon is burnt in air.

When magnesium ribbon is burnt in air, then identify the type of reaction and colour of ash formed.

A magnesium ribbon is burnt in air. A student made the following observations:

i. Magnesium ribbon undergoes oxidation reaction.
ii. Magnesium reacts with air to form magnesium oxide.
iii. Magnesium ribbon undergoes decomposition reaction.

Which of the following statements is correct?

Q. What do you get when magnesium ribbon is burnt in air?

Q. Magnesium ribbon when burnt in air forms ash. The chemical composition of the ash formed and the change involved is:

Join BYJU'S Learning Program

What type of chemical reaction takes place when i) limestone is heated?ii) a magnesium ribbon is burnt in air?

(i) Decomposition reaction takes place when limestone is heatedCaCO3(s)(Limestone)heat−−−→CaO(s)(QuickLime)+CO2(g)(ii) Combination Reaction takes place when a magnesium ribbon is burnt in air.2Mg(s)+O2(g)⟶2MgO(s)

What type of chemical reaction takes place when i) limestone is heated?
ii) a magnesium ribbon is burnt in air?

(i) Decomposition reaction takes place when limestone is heated
$C a C O_{3} (s) (L i m e s t o n e) h e a t - -- \to C a O (s) (Q u i c k L i m e) + C O_{2} (g)$
(ii) Combination Reaction takes place when a magnesium ribbon is burnt in air.
$2 M g (s) + O_{2} (g) ⟶ 2 M g O (s)$