Question

Complete the following chemical reactions
i) Fe + H2O (g) _________________
ii) Cu + H2O _________________
iii) K + H2O ________________
iv) Ca + H2O _________________​

Answer 1

Answer:

Answer the following questions in brief.

1.

In the following situations, identify the agent exerting the force. Also, state

the effect of the force in each case.

(a) Squeezing a piece of lemon between the fingers to extract its juice.

(b) A person diving into a swimming pool.

(c) A labourer moving a loaded cart.

(d) A car coming to rest once its engine is switched off.

(e) An athelete making a high jump to clear a bar kept at a certain height.