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When solid sodium chloride is mixed with water, sodium chloride solution forms - Edexcel - GCSE Chemistry - Question 1 - 2020 - Paper 1

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When solid sodium chloride is mixed with water, sodium chloride solution forms. What name is given to the process of mixing a solid with water to form a solution? (... show full transcript

Worked Solution & Example Answer:When solid sodium chloride is mixed with water, sodium chloride solution forms - Edexcel - GCSE Chemistry - Question 1 - 2020 - Paper 1

Step 1

What name is given to the process of mixing a solid with water to form a solution?

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Answer

The process of mixing a solid with water to form a solution is called dissolving. When solid sodium chloride (NaCl) is mixed with water, it separates into sodium and chloride ions, creating a saline solution.

Step 2

Write the word equation for this reaction.

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Answer

The word equation for the reaction between sodium and hydrochloric acid is:

Sodium + Hydrochloric Acid → Sodium Chloride + Hydrogen.

Step 3

What is the meaning of this hazard symbol?

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Answer

The hazard symbol shown in Figure 1 indicates that the substance is flammable. This means that the substance can easily ignite and catch fire in the presence of ignition sources.

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