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Exam (elaborations)

CIDESCO Exam Questions and Answers 100% Solved | Rated A+

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CIDESCO Exam Questions and Answers 100% Solved | Rated A+ Characteristics of life include: - Growth and metabolism Example of organic biological substances are: - Carbohydrates and fats Examples of mineral substances are: - Paraffin's and petroleum Matter is everything that: - Occupies space a...

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  • October 20, 2024
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  • 2024/2025
  • Exam (elaborations)
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JOSHCLAY
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
CIDESCO Exam Questions and Answers

100% Solved | Rated A+


Characteristics of life include: - ✔✔Growth and metabolism

Example of organic biological substances are: - ✔✔Carbohydrates and fats

Examples of mineral substances are: - ✔✔Paraffin's and petroleum

Matter is everything that: - ✔✔Occupies space and has weight

What property does all matter have? - ✔✔All matter has weight

Sublimation is the change of matter from: - ✔✔A solid to a gas

The alternation of the properties of matter without formation of any new

substances is called? - ✔✔Physical change

The immediate change of a solid into vapour is called? - ✔✔Sublimation

An example of a single called cellular organism is? - ✔✔A bacterium

Examples of bacteria are? - ✔✔Bacilli and cocci

Which of the following belongs to the science of chemistry? - ✔✔The

alternation of the structure of molecules

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
An electrolyte is? - ✔✔A substance which, dissolved in water and splits into

ION's

Example of electrolytes are? - ✔✔Acids and salts

An example of an electrolyte is? - ✔✔Salt solution

An acid is an electrolyte because? - ✔✔It can conduct an electrical current

An example of an inorganic acid is? - ✔✔Sulphuric acid

An alkali must contain? - ✔✔Metal atoms and hydroxyl groups

If metal oxide is dissolved in water it forms? - ✔✔An alkali

PH can be decreased by? - ✔✔Increasing hydrogen ions

pH is? - ✔✔The number of free H ions in a solution

The pH of the skins acid mantle is? - ✔✔5.5

A characteristic of a weak acid is that it? - ✔✔Supports the natural pH of

the skin

A characteristic of organic acids is that? - ✔✔They contain the element

carbon

Organic acids are found in? - ✔✔Sebum and plants

An organic acid contains the chemical group? - ✔✔COOH

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