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Chemical Concepts Flashcard for Grade 10

Chemical Concepts Flashcard for Grade 10

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the molar mass of water (H₂O)?

Back

The molar mass of water (H₂O) is 18 g/mol.

2.

FLASHCARD QUESTION

Front

How do you convert moles to grams?

Back

To convert moles to grams, multiply the number of moles by the molar mass of the substance.

3.

FLASHCARD QUESTION

Front

What is produced at the cathode during the electrolysis of water?

Back

Hydrogen gas is produced at the cathode during the electrolysis of water.

4.

FLASHCARD QUESTION

Front

What is the oxidation state of chlorine in KClO₃?

Back

The oxidation state of chlorine in KClO₃ is +5.

5.

FLASHCARD QUESTION

Front

What is the name of the ionic compound NaCl?

Back

The name of the ionic compound NaCl is Sodium chloride.

6.

FLASHCARD QUESTION

Front

How do you balance a chemical equation?

Back

To balance a chemical equation, ensure that the number of atoms of each element is the same on both sides of the equation.

7.

FLASHCARD QUESTION

Front

Balance the following chemical equation: C₂H₆ + O₂ → CO₂ + H₂O

Back

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O.

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