Question

• Fill in the blanks so as to make each of the following statements true:
1. The molecular formula of oxide of iron formed on passing steam over hot iron is
2. In detergents, .. . function group is joined with hydrocarbon.
3. By using artificial selection, farmers have obtained variety of cabbage having sterile
flowers and are cultivated as
4. The process of continuous beating of heart is controlled by
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Answer 1

1. The molecular formula of oxide of iron formed on passing steam over hot iron is Ferric oxide / Fe2O3

2. In detergents, Sulfonate function group is joined with hydrocarbon.

3. By using artificial selection, farmers have obtained variety of cabbage having sterile flowers and are cultivated as Cauliflower

4. The process of continuous beating of heart is controlled by Electrical impulses