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9th SSC Board Science Chapter 15 Chemistry Quiz

3 Questions

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9th SSC Board Science Chapter 15 Chemistry Quiz

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Questions and Answers

What type of reaction is the formation of water from hydrogen and oxygen?

Synthesis reaction (correct)

Single replacement reaction

Decomposition reaction

Double replacement reaction

Which of the following is a characteristic of an acid?

Turns blue litmus paper red (correct)

Tastes bitter

Reacts with metals to form hydrogen gas

Has a pH greater than 7

What is the chemical formula for sodium chloride?

NaCl (correct)

CO2

H2O

HCl

Study Notes

Chemical Reactions

The formation of water from hydrogen and oxygen is an example of a synthesis reaction.

Acid Characteristics

A characteristic of an acid is that it increases the concentration of hydrogen ions (H+) in a solution.

Chemical Formulae

The chemical formula for sodium chloride is NaCl.

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Description

Test your knowledge of chemistry with this quiz about the chemical formula for sodium chloride, characteristics of acids, and types of chemical reactions. See how well you understand the basic concepts from the 15th chapter of the 9th SSC board science curriculum.