Question

Answer the following briefly. 1. Complete the reactivity series. K_ _ _ Ca_ _ _ Al_ _ _ Fe. 2. Give the uses of phosphorus and sulphur. 3. Fe + _______ ________> FeCl,+ _____. 4. Which metals are the best conductor and the poorest conductor of heat respectively? 5. Write five physical properties of both metals & non-metals.​

Answer 1

Answer:

1.K

Na

Ca

Mg

Al

Zn

Fe

Pb

H

Cu

Hg

Ag

Au

Pt

2.*Phosphorus is used as fertilizer in field, enhance the strength of plants.*Sulphur is used in process of vulcanization to harden rubber.

3.Fe + 2HCl --> FeCl2 + H2

4. SILVER best conductor of heat.LEAD poorest conductor of heat.

5.*Metals properties

*Metals are:- lustrous,

malleable,

ductile,

good conductors of heat and electricity.

*Non metals properties*

Dull,

non malleable,

non ductile,

poor conductor of heat and electricity.

Hope my answer is right and it helped you ☺️ Thank you

Answer 2

Answer:

BTS

Explanation:

Do u know BTS

Or Have Uhhh Ever Heard Of Them??