Assessment

Directions: Read each item carefully. Write only the letter of the correct answer for each question. Use a separate sheet for your answers.

1. Compounds are formed when two or more are combined.

A. Elements B. Minerals

C. Nutrients

D. Food products

2. In cereal drink the following elements are present, EXCEPT

A. Calcium B. Iron

C. Sodium

D. Zinc

3. The only compound present in the food label of soy sauce is

A. Iron pyrophosphate B. Monosodium glutamate

C. Sodium bicarbonate

D. Zinc sulphate

4. Which of the following ingredients is an element?

A. Calcium

B. Carbohydrate C. Oil

D. Protein

5. The following are constituent elements of sodium glutamate, EXCEPT

A. Carbon

B. Hydrogen. C. Iron

D. Sodium

6. Which element is NOT found in the chocolate candy?

A. Calcium

B. Hydrogen

C. Iron

D. Sodium

7. Which of the following ingredients is a compound?

A. Calcium

B. Calcium chloride

C. Magnesium D. Manganese8. Boron, carbon, nitrogen, and oxygen are examples of

A. Compounds

B. Elements

C. Ingredients

D. Nutrition facts

9. Carbon dioxide, sodium chloride, sugar and salt are examples of

A. Compounds.

B. Elements

C. Ingredients

D. Nutrition facts.

10. Oxygen and iron are elements (I). Protein and sugar are elements too (II).

A. Both statements I and II are TRUE.

B. Both statements I and II are FALSE. C. Statement I is FALSE while statement II is TRUE.

D. Statement I is TRUE while statement II is FALSE.

11. Compounds is composed of one atom(I). Elements is a single atom substance(II).

A. Both statements I and II are TRUE.

B. Both statements I and II are FALSE.

C. Statement I is FALSE while statement II is TRUE.

D. Statement I is TRUE while statement II is FALSE. 12. Airon Jay is fond of eating cereal drink even if he is already in grade 7. What

compounds do Airon Jay has taken?

I. Iron pyrophosphate

II. Calcium chloride

III. Sodium bicarbonate

IV. Zinc sulfate

A. I and II only

B. I and III only.

C. II and III only

D. I and IV only

13. Danica was assigned by her teacher to match compound with its constituent elements. Which do you think of her matched pair are correct?

1. Calcium chloride: calcium, chlorine

II. Water: nitrogen, oxygen

III. Carbon dioxide; carbon, oxygen

IV. Salt: sodium, magnesium

A. I and II only

B. I and III only

C. II and III only

D. I and IV only14. How do you classify elements from compounds?

A. Elements are single atom substances.

B. Compounds are composed of one molecule.

C. Compounds are composed of two or more molecules.

D. Compounds are composed of two or more compounds.

15. Why is it important to be familiar with elements and compounds?

A. To classify them accordingly.

B. To tell others you know them.

C. To enumerate elements and compounds.

D. To be praised by others of knowing them..​