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Class 7 science
Acids, bases and salts.
EXERCISE I. 1. Ans. Hydrogen 2. Ans. is corrosive 3. Ans. Carbonic acid. 4. Ans. Salt…
Class 7 science
Weather climate and adaptation in animals
Exercise II. Answer the following questions in one sentence. 1. Name the major climat…
Class 7 science
Winds, storms and cyclones
IV. ANSWER THE FOLLOWING QUESTIONS IN ABOUT FOUR TO FIVE SENTENCES. 1. Ans: The warm…
Class 7 science
Physical and chemical changes
EXERCISE V. Answer the following questions in about four to five sentences. 1. What a…
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