NCERT- book back questions — task. Science CBSE, Class 10.

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1. Which one of the following types of medicines is used for treating indigestion?

Analgesic
Antacid
Antiseptic
Antibiotic

2. Write word equations and then balanced equations for the reaction taking place when –
(a) dilute hydrochloric acid reacts with iron filings.

\(2HCl + Mg \rightarrow MgCl_2 + H_2\)
\(3H_2SO_4+ 2Al \rightarrow Al_2(SO_4)_3) + 3H_2\)
\(H_2SO_4 + Zn \rightarrow ZnSO_4 + H_2\)
\(6HCl + 3Fe \rightarrow 3FeCl_2 + 3H_2\)

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