(a) What happens when calcium reacts with chlorine? Write an equation for the reaction which takes place.
(b) What happens when magnesium reacts with a very dilute nitric acid? Write an equation for the reaction involved.

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Solution

(a)When calcium reacts with chlorine it formed calcium chloride

$C a + C l_{2} ⟶ C a C l_{2}$

(b)Magnesium reacts with very dilute nitric acid to form magnesium nitrate and hydrogen gas.

$M g (s) + 2 H N O_{3} (a q) ⟶ M g (N O_{3})_{2} (a q) + H_{2} (g)$

$M a g n e s i u m + N i t r i c A c i d (v e r y d i l u t e) ⟶ M a g n e s i u m n i t r a t e + H y d r o g e n$

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(a) What happens when calcium reacts with chlorine? Write an equation for the reaction which takes place. (b) What happens when magnesium reacts with a very dilute nitric acid? Write an equation for the reaction involved.

(a)When calcium reacts with chlorine it formed calcium chloride Ca+Cl2⟶CaCl2 (b)Magnesium reacts with very dilute nitric acid to form magnesium nitrate and hydrogen gas. Mg(s)+2HNO3(aq)⟶Mg(NO3)2(aq)+H2(g) Magnesium+Nitric Acid(very dilute)⟶Magnesium nitrate+Hydrogen

(a) What happens when calcium reacts with chlorine? Write an equation for the reaction which takes place.
(b) What happens when magnesium reacts with a very dilute nitric acid? Write an equation for the reaction involved.