Rewrite these sentences by using the present perfect tense: [5×1=5] a) They are fighting a long battle for their rights. b) They went to watch the match in the stadium. c) Did I show my sketch to you? d) Heena is feeding the birds on the terrace. e) The dog is drinking water from the bowl
Answers
When a metal reacts with water, a metal hydroxide and hydrogen are formed. Calcium hydroxide is slightly soluble in water so once the solution is saturated, it starts to become milky as solid calcium hydroxide appear.When a metal reacts with water, a metal hydroxide and hydrogen are formed. Calcium hydroxide is slightly soluble in water so once the solution is saturated, it starts to become milky as solid calcium hydroxide appear.When a metal reacts with water, a metal hydroxide and hydrogen are formed. Calcium hydroxide is slightly soluble in water so once the solution is saturated, it starts to become milky as solid calcium hydroxide appear.When a metal reacts with water, a metal hydroxide and hydrogen are formed. Calcium hydroxide is slightly soluble in water so once the solution is saturated, it starts to become milky as solid calcium hydroxide appear.When a metal reacts with water, a metal hydroxide and hydrogen are formed. Calcium hydroxide is slightly soluble in water so once the solution is saturated, it starts to become milky as solid calcium hydroxide appear.
Explanation:
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1 they were
2 they were going
3 did I have shown
4 heena was
5 the dog was