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Worksheets

Chem.Genius

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

1. Which one will have maximum numbers of water molecules?

a)

a) 18 molecules of water

b)

b) 1.8 grams of water

c)

c) 18 grams of water

d)

d) 18 moles of water

2.

2)Number of significant Figures in the numer 1.065

a)

3

b)

4

c)

2

d)

1

3.

3) A measured temperature on Fahrenheit scale is 200 °F. What will this reading be on Celsius scale?

a)

a) 40 °C

b)

b) 94 °C

c)

c) 93.3 °C

d)

d) 30 °C

4.

4) Unit of electrical current

a)

a) candela

b)

b) moles

c)

c) ampere

d)

kilogram

5.

5) Determine how many signifcant figures.

8.00356x10^4


a)

3


b)

6

c)

4

d)

2

6.

6) Convert the following

2.37x10^{-3}

2.37x10−3

a)

237

b)

0.00237

c)

0.000237

d)

237000

7.

7) A branch of chemistry that deals with the separation, identification, and quantification of chemical compounds

a)

Organic chemistry

b)

inorganic chemistry

c)

analytical chemistry

d)

clinical chemistry

8.

8) The formula for expressing a scientific notation is Ax10n

what is A


a)

a) Letter

b)

b) Exponent

c)

c) Derivative

d)

d) Coefficient

9.

9) A way of writing very large or very small numbers

a)

a) Scientific figure

b)

b) Significant Figures

c)

c) Analytical Computation

d)

d) Accuracy and Precision

10.

10) Convert the following

0.0000037

a)

a) 3.7x106


b)

b)-3.7x10-6


c)

c) 3.7x10-6


d)

d) 3.7x107