DIC 2209 CAT 1

DIC 2209 CAT 1

Assessment

Flashcard

Chemistry

12th Grade

Hard

Created by

Okonda Josephat

FREE Resource

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50 questions

Show all answers

1.

FLASHCARD QUESTION

Front

At what depths and temperatures does the process of converting kerogen into liquid and gaseous hydrocarbons occur, known as the "oil window"?

Back

2-5 km and 60-120°C

2.

FLASHCARD QUESTION

Front

Why is sugarcane immediately transported to the mill after harvesting?

Back

To prevent sugar degradation

3.

FLASHCARD QUESTION

Front

What is the purpose of emollients in cosmetics?

Back

To soften and smooth the skin

4.

FLASHCARD QUESTION

Front

What is the purpose of preservatives in cosmetic formulations?

Back

To prevent microbial growth

5.

FLASHCARD QUESTION

Front

What is the primary function of sunscreens?

Back

To protect the skin from harmful UV radiation

6.

FLASHCARD QUESTION

Front

What is the main function of emulsifiers in cosmetics?

Back

To stabilize mixtures of immiscible liquids like oil and water

7.

FLASHCARD QUESTION

Front

What is the main purpose of microbial testing in cosmetic quality control?

Back

To ensure the product is free from harmful microorganisms

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