Question

please answer these questions

Answer 1

please post the question again ...

Answer 2

1.) (D) Displacement reaction

2.) (A) Iron is more reactive than copper

3.) (C) Antacid

4.) (B) Iodine

5.)

6.) (A) Auxin

7.) (A) Vas deferens

8.) (B) XY

9.) (C) 25%

10.) (B) Convex lens of focal length 50cm

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