Metal And Non Metals

Question 1

Non metal that conduct electricity

Answer 1

Graphite

Question 2

Non metal with lustre

Answer 2

Iodiene

Question 3

Non metal which is hard

Answer 3

Diamond

Question 4

Metals which are soft

Answer 4

Alkali metal lithium sodium potassium

Question 5

Liquid metal

Answer 5

Mercury

Question 6

Metal with low density

Answer 6

Alkali metal li Na k

Question 7

Metal with low melting point

Answer 7

Na K cesium and gallium

Question 8

Non metal with high melting point

Answer 8

Diamond

Question 9

Metal and o2

Answer 9

Metal oxide

Question 10

Metal oxide + water

Answer 10

Metal hydroxide

Question 11

Metals oxide that become alkali

Answer 11

Na2O….k2O…MgO

Question 12

Metal + hot/cold water

Answer 12

Metal hydroxide +h2

Question 13

Metal+steam

Answer 13

Metal oxide+h2

Question 14

Metal that react with cold water

Answer 14

K Ca and Na

Question 15

Metal that react with hot water

Answer 15

Magnesium

Question 16

Metal that react with steam

Answer 16

aluminium, zinc, iron and magnesium

Question 17

Metal + dilute acid

Answer 17

Metal salt + H2

Question 18

Dilute HNO3 +___ and ___ gives salt and water

Answer 18

Magnesium and magneese

Question 19

Aqua regia

Answer 19

1 part HNO3 and 3 part HCL

Question 20

Identify colours
1.CuSo4
2.2AgNO3
3.Zn
4.Fe
5.Cu
6.ZnSO4
7.Cu(NO3)2
8.Ag

Answer 20

1.Blue solution
2.colourless solution
3.Silvery white
4.Grey
5.red brown
6.colourless
7blue solution
8.Greyish white

Question 21

Metal + chlorine

Answer 21

Metal chloride

Question 22

Metal +H2

Answer 22

Metal hydride

Question 23

Non metal + O2

Answer 23

Acidic / nrutral oxide

Question 24

Colour of sulphur

Answer 24

Yellow

Question 25

2C + O2[insufficient]

Answer 25

Co (carbon monoxide)