Question

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Answer 1

Explanation:

• Q29. i) Ca + O2 —> CaO
• ii) 2Ca +O2 —> 2Ca0
• iii) reactants are calcium and oxygen and products formed is calcium oxide

OR

b. I) hyrodgen sulphide and chlorine are the reactants and the product formed are hydrochloric acid and sulphur

ii) hyrdogen sulphide + chlorine —> hydrochloric acid + sulphur

iii)balanced equation is - H2S +Cl2 ----> 2HCL + S