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chemistry chap 1

Total questions: 4

Worksheet time: 2mins

Name
Class
Date
1.

When was oxygen fist discovered?

a)

A: 1772

b)

B: 1775

c)

C: 1773

d)

D: 1776

2.

Sulphuric acid was discovered by

a)

A: Jabir bin hayyan

b)

B: Al razi

c)

C: Al beruni

d)

D: Berzellius

3.

How many branches in chemistry

a)

A: 8

b)

B: 9

c)

C: 5

d)

D: 10

4.

Formula for water

a)

A: H2o

b)

B: Nacl

c)

C: Hcl

d)

D: all