There are 115 elements known till today. Some of them are metals and

1.	There are 115 elements known till today. Some of them are metals and some are non-metals Metals are usually hard, malleable and duct and have metallic lustre. Non-metals are usually soft, do not possess lustte and are not mallea and ductile. But iodine is a non-metal which has metallic lustre. Iodine is also important for us also. Non-rnetals are bad conductors of heat and electricity.(i) why iodine is important for us?(ii) Name a non-metal which is a good conductor of heat and electricity.(iii) As a student, what initiative you will take to
Answer» (i) Deficiency of iodine leads to goitre. It also leads to hypothyroidism, a most common disease among ladies above 40 years of age. (ii) Graphite is a non-metal which is a good conductor of heat and electricity. (iii) suggestions : (a) To start an awareness campaign in localities, homes and schools. (b) To make understand the importance of iodine heat and electricity. to people

There are 115 elements known till today. Some of them are metals and some are non-metals Metals are usually hard, malleable and duct and have metallic lustre. Non-metals are usually soft, do not possess lustte and are not mallea and ductile. But iodine is a non-metal which has metallic lustre. Iodine is also important for us also. Non-rnetals are bad conductors of heat and electricity.(i) why iodine is important for us?(ii) Name a non-metal which is a good conductor of heat and electricity.(iii) As a student, what initiative you will take to

Answer»

(i) Deficiency of iodine leads to goitre. It also leads to hypothyroidism, a most common disease among ladies above 40 years of age.

(ii) Graphite is a non-metal which is a good conductor of heat and electricity.

(iii) suggestions :

(a) To start an awareness campaign in localities, homes and schools.

(b) To make understand the importance of iodine heat and electricity. to people