Metals And Non Metals

Question 1

What are the physical properties of metal

Answer 1

Malleable, ductile, Sonorous, hardness, Luster,

Question 2

What is meant by luster

Answer 2

Shiny appearances

Question 3

Which metal in 25 °c is found in liquid state

Answer 3

Mercury

Question 4

Room temperature 🌡

Answer 4

25°c

Question 5

Symbol of mercy

Answer 5

Hg

Question 6

Which matel has a very low melting point

Answer 6

Mercury gallium, caseium
29.7°c 28.4°c

Question 7

Which matel is neither ductile nor malleable and is brittle in room temperature?

Answer 7

Zinc

Question 8

Which kind of metals are not hard, and their example 6*

Answer 8

Alkali metals….eg lithium, sodium, potassium, rubidium, caesium, frankium

Question 9

Which metal is most malleable and ductile and also conductor

Answer 9

Gold…..platinum…..silver

Question 10

Which non metal is found in liquid state and symbol

Answer 10

Bromine, br

Question 11

Which is the hardest diamond and from where it is found

Answer 11

Hexagonal diamond from meteorite

Question 12

Name some luster non metal

Answer 12

Graphite and iodine

Question 13

A non metal, which is a good conductor of electricity

Answer 13

Graphite

Question 14

Name one chemical agent that stops or decreases the growth of microbes

Answer 14

Antiseptic

Question 15

Name one antiseptic non mmetal

Answer 15

Iodine

Question 16

Name some non metal, which are used as fertilizers

Answer 16

Nitrogen and phosphorus

Question 17

Name some non metal which are used in crackers

Answer 17

Sulphur and phosphorus