Law of conservation of mass

Law of conservation of mass

Assessment

Flashcard

Science

12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Law of Conservation of Mass?

Back

The Law of Conservation of Mass states that during a chemical reaction, mass is neither created nor destroyed.

2.

FLASHCARD QUESTION

Front

What are the reactants in the combustion of methane (CH4)?

Back

The reactants are CH4 and 2 O2.

3.

FLASHCARD QUESTION

Front

How many hydrogen atoms are present in NH3O5?

Back

There are 3 hydrogen atoms in NH3O5.

4.

FLASHCARD QUESTION

Front

What is the total mass of water produced from 4 grams of hydrogen and 32 grams of oxygen?

Back

The total mass of water produced is 36 grams.

5.

FLASHCARD QUESTION

Front

How many oxygen atoms are in the compound 2C2HO8Cl2?

Back

There are 16 oxygen atoms in 2C2HO8Cl2.

6.

FLASHCARD QUESTION

Front

What happens to the mass of reactants during a chemical reaction according to the Law of Conservation of Mass?

Back

The mass of reactants remains equal to the mass of products.

7.

FLASHCARD QUESTION

Front

If 10 grams of reactants are used in a reaction, what will be the mass of the products?

Back

The mass of the products will also be 10 grams.

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