Question

words as directed : 3 marks each)
21 Answer the following questions:
Section C
unswer the following 9. no. 27 to 34 in short (within the limit of 60 to 80
1 What is a balanced chemical equation? Why is the balancing of chemical equations
essential ?
12 Translate the following statements into chemical equations and balance them:
(11 Barium chloride reacts with aluminium sulphate to give aluminium chloride
and barium sulphate.
(u) Potassium metal reacts with water to give potassium hydroxide and hydrogen​

Answer 1

Answer:

1. balance equation :

balanced equation is the one in which number of different atoms on both the reactant and product sides are equal. Balancing chemical equations is essential because it should obey the law of conservation of energy. Balancing the chemical equation has no defined method and is purely a trial and error an attempt.

2. (I) Given in the picture. ☝️