Question

acial hydrochloric acid)
feeds on animals covered by hard sh
Q.4
(1)
Q.5 Explain why, if you touch the test tube imme
reaction of an acid and a base in it, it is found to
Q.6 What is an antacid ?
(2)
Q.7 How can you treat basic soil ? (2)
Q.8 Write the name of two animals which eat pla​

Answer 1

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