Quarter 4

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Question 1 of 10 0% read

1. Cellulose is mainly found in:

A Animals

B Plants

C Fungi

D Bacteria

2. The vertical axis of a graph usually represents:

A Independent variable

B Constant

C Dependent variable

D Title

3. Which precipitate is insoluble in ammonia?

A AgCl

B AgBr

C BaSO₄

D AgI

4. If two substances have same Rf value, it means they are:

A Definitely identical

B Completely different

C Likely to be similar

D Unstable

5. What is chromatography mainly used for?

A Mixing substances

B Separating components of a mixture

C Heating substances

D Measuring temperature

6. Bar graphs are mainly used to compare:

A Continuous data

B Time-based data

C Different categories

D Trends

7. What does a single spot on chromatogram indicate?

A Mixture

B Impure substance

C Pure substance

D Solvent only

8. Which is a monosaccharide?

A Sucrose

B Starch

C Glucose

D Cellulose

9. Which test helps identify gases by color change?

A Flame test

B Litmus test

C Precipitation test

D Density test

10. Which nutrient provides maximum energy per gram?

A Carbohydrates

B Proteins

C Lipids

D Vitamins

Quarter 4

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