LEARNING BY PRACTICE

Property of matter that does not depend on the amount of the sample.

• Intensive

• Extensive

• Physical

• Chemical

Which of the following is/are pure substance/substances?

• water

• blood

• oxygen

• coffee

• air

How many significant figure/s is 0.03023?

• 4

• 3

• 5

• 6

a measure of how close a measurement is to the correct or accepted/true value of the quantity being measured.

• Accuracy

• Precision

• Significant

• Accuracy and Precision

Composed of two or more component physically combined.

• element

• compound

• mixture

• Intensive

It conforms the shape and volume of its container

• Solid

• Plasma

• Liquid

• Gas

If you have a 5.394 mL sample of acetic acid with a mass of 5.234g, what is the density? Use the correct number of significant figures.

• 0,9073

• 0.9704

• 0.9703

• 0.9037

Which of the following is/are homogeneous mixture? Check all that applies.

• LPG

• Coffee

• Fruit Salad

• Soil

• Air

TRIVIA QUESTION:

What was the first man-made element?

• Copper

• Technetium

• Gold

• Lead

What does the image represent?

• High accuracy, Low precision

• High precision, Low accuracy

• High precision, High accuracy

• Low accuracy, Low Precision