Sig. Figs., Uncertainty, and Unit Conversions
Chemical Nomenclature
Chemical and Physical Changes
Classification of Matter
I'm feeling lucky
100

The presence of _______ makes ending zeros significant.

What is a decimal?

100

Its chemical formula is Na2S

What is sodium sulphide?

100
Dew forming in the morning

What is a physical change?

100
A bar of gold

What is an element?


100

Your student teacher (first and last name)

Who is Esther Woo?

200

The reading and uncertainty of Exhibit A

What is (15.5-17.0) +/- 1.5 cm ?

200

The name of this compound is zinc nitrate

What is Zn(NO3)2 ?

200

Baking a birthday cake

What is a chemical change?

200

(pure) air

What is a homogenous mixture?

200

The maple leaf on the Canadian flag has this many points

What is 11?

300

The number of significant digits in the answer to the following equation:

(4.093 +6.3)/4.522

What is 3?

300

The language that prefixes used in naming hydrates come from

What is Greek?

300

Heating sugar to form caramel.

What is a chemical change?

300

Italian salad dressing

What is a hetergenous mixture?

300

It's Latin name is 'stannum'

What is tin?

400

Convert 340.800 cm/ks to hm/das. Express your answer in scientific notation.

What is 3.40800*10-4 hm/das?

400

The name of this compound is plumbic phosphite

Pb3(PO3)4

400

Sugar added to coffee

What is a physical change?

400

Nitrogen gas

What is a compound?

400

The name for little Roman numeral 

(ex. iv)

What is romanette?

500

Choose the measurement with the greater absolute uncertainty:

i. (6.93 +/- 0.05)*103 cm

ii. 7.4 +/- 0.5 m

What is neither?

500

CH3COOH is the chemical formula for this common household item

What is vinegar?

500

Name three signs of a chemical change

What is

change in colour / odor / pH / temperature, 

formation of gas / precipitate / light

500
An open can of pop

What is a heterogenous mixture?

500

Write the solution in square decametres, to the correct number of sig. figs.

(7.210*106 cm x 460 dm2)/
(0.6839 km + 532 cm - 7.12*102 mm)

What is 4.8 dam?