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WorksheetsChptr 1 and 2
Total questions: 15
Worksheet time: 9mins
How many significant figures are in 4.7200
3
4
5
6
Round off 556.7890 to 2 significant figures
560
556.79
557
600
278 / 11.70 =
23.81
24.0
23.8
24
How many elements are in Group 1
5
6
8
7
Which one of these does not belong to Group 17
Oxygen
Chlorine
Florine
Bromine
What is the national flower of Malaysia?
Rose
Chrysanthemum
Hibiscus
Sunflower
How many experiments do we have in the lab manual?
5
6
4
7
Name this oxyanion
sulfite ion
sulfate ion
sulfur ion
sulfurous ion
What is the missing element?
Md
Pt
Cd
At
1 km = ? cm
1 x 10^5
1 x 10^6
1 x 10^4
1 x 10^3
What is the name for acid H2SO3
Hyposulfuric acid
Persulfuric acid
Sulfuric acid
Sulfurous acid
Which one is not considered as a compound
The air
Nitrogen gas
Hydrochloric acid
Sodium hydroxide
Who is the first person to proposed the theory of atom?
John Dalton
Marie Curie
Dmitri Mendeleev
Ernest Rutherford
How many hours a week do we have Chemistry classes?
6
5
7
4
Which one is NOT the relevant weight for an average male?
89 x 10^4 g
3166.4 ounce
0.089 tonne
197.9 lb
