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WorksheetsChapter 1 Review
Total questions: 20
Worksheet time: 10mins
Which of the following is NOT an element?
H
O
Mg
H2O
Look at the reaction in the picture. Please write down the reactant and the product.
(a)
Which if the following is a function of a catalyst?
Increase activation energy
Increase speed of reaction
Decrease activation energy
Decrease speed of reaction
A catalyst gets completely used up in a chemical reaction.
True
False
Look at the reaction in the picture. What kind of a compound do you see?
Acid
Base
None
Both
What will be the pH of the solution shown in the picture?
2
1
3
13
An enzyme has which properties?
It is a protein
It is a biocatalyst
It decreases rate of reaction
It is active at all temperatures and pH values
Which of the following is a solution?
A colloid is a
Homogenous mixture
Completely clear-we can see through it
Unclear-we cannot see through it
Heterogenous mixture
A suspension does not separate into two different layers
True
False
What is activation energy?
(a)
Which of the following shows cohesion of water?
Water is able to rise up in a thin tube because of Adhesion. This means that
Water sticks to water
Water sticks to other material
Water never sticks to anything
When we freeze water, it increases in size and become very light (less weight). This makes it float on top of water. What is the effect of this property of water?
(a)
Why is water a good solvent?
Polarity
Shape
Cohesion
Adhesion
What is the monomer of carbohydrate?
Amino acid
Monosaccharide
Glycerol
Protein
What bonds are present between amino acids in a protein chain?
Peptide bonds
Glycosidic Bonds
Ester bonds
Hydrogen bonds
Name on function of Lipids
Provide heat to body
Make proteins
Structure and shape to body
Control body functions
This shows a
Protein
Carbohydrate
Lipid
Nucleic Acid
Which type of bond is this?
Hydrogen
Ionic
Polar
Covalent
