Question

(a) bad food II State whether the following statements are True or False. Write 'T' for True and 'F' for False. (You need not write the sentences, write only the numbers):( Any Two) 1x2=2 (1) (11) The purpose of conversation is to keep away silence. A man begins his life with silence. . Few of us join a conversation in order to unlearn ourselves to learn something better (111)​

Answer 1

Answer:

State whether the following statements are true or false. In case a

statement is false, write the corrected statement in your notebook.

(a) Cutting a log of wood into pieces is a chemical change. (True/False)

(b) Formation of manure from leaves is a physical change. (True/False)

(c) Iron pipes coated with zinc do not get rusted easily. (True/False)

(d) Iron and rust are the same substances. (True/False)

(e) Condensation of steam is not a chemical change. (True/False)

Solution 2:

(a) Cutting a log of wood into pieces is a chemical change.

Ans. False

Correct Statement: Cutting a log of wood into pieces is an irreversible physical change.

(b) Formation of manure from leaves is a physical change.

Ans. False

Correct Statement: Formation of manure from leaves is a chemical change.

(c) Iron pipes coated with zinc do not get rusted easily.

Ans. True

(d) Iron and rust are the same substances.

Ans. False

Correct Statement: Iron and rust are different chemical substances. Rust is iron oxide.

(e) Condensation of steam is not a chemical change.

Ans. True

Explanation:

You find it...