Questions


October 2022 1 1 Report
1. MULTIPLE CHOICE: Choose the best answer and write it on the space provided before each number.
1. It consists of one phase with definite composition which appears uniform in appearance
and composition, regardless of its size.
a Mixture
b. Solution
c. Pure Substances
d. Matter
2. It may exist in any phase and it is consist of a solute and a solvent.
a Mixture
b. Solution
c. Pure Substances d. Matter
3. Refers to the physical combination of two or more substances in which the identities of
the individual substances are retained.
a. Mixture
b. Solution
c. Pure Substances d. Matter
4. Two or more elements combined into one substance through a chemical reaction, such
as water, and form a chemical compound.
a Solution
b. Mixture
c. Compound
d. Element
5. Chemical substance that is made up of a particular kind of atom and hence cannot be
broken down or transformed by a chemical reaction into different element.
d. Element
b. Mixture
a. Solution
c. Compound
6. Mixture of two or more chemical substances where the different components can be
visually distinguished and easily separated by physical means.
d. Compound
c. Homogeneous Mixture
b. Heterogeneous Mixture
a. Elements
7. A mixture of two or more chemical substances where the different components cannot
visually distinguished.
c. Homogeneous Mixture
d. Compound
b. Heterogeneous Mixture
a. Elements
8. Which of the following substances is an element?
d. Iron
b. Salt
c. Sugar
a. Air
9. Which of the following substances is an example of compound?
d. Water
b. Hydrogen
a. Carbon
c. Gold
10. Which of these is a pure substance?
d. sea water
b. table salt
C. garden soil
a bread​

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