Question

(iv) (64)-1/3 evaluate the following​

Answer 1

Answer:

Place clean iron nails in each test-tube. Pour some water in test-tube-1, cork it. ... After 2-3 days we observe that the nails in test-tube 1 rust because they are exposed to air and water both, while nail in test-tube 2 and 3 do not rust. This shows rusting of iron takes place in the presence of air and moisture both.

Answer 2

Answer:

191/3

Step-by-step explanation:

$\frac{64 \times 3 - 1}{3} \\ \frac{192 - 1}{3} \\ \frac{191}{3}$

ANSWERED BY GAUTHMATH