T1- Unit 6- Simple Chemical Reactions Quiz

Which of the following is an example of a physical reaction?

• Burning of wood

• Melting of ice

• Rusting of iron

• Baking a cake

According to the law of conservation of mass, in a chemical reaction,

• Atoms are created

• Atoms are destroyed

• Atoms are rearranged

• Atoms remain unchanged

What is the definition of an ionic bond?

• A bond formed by sharing electrons

• A bond formed between two nonmetals

• A bond formed between a metal and a nonmetal

• A bond formed between two metals

How many atoms of carbon are there on the reactant side of the chemical equation?

• 0

• 1

• 2

• 3

How many molecules of oxygen are there on the reactant side of the chemical equation?

• 0

• 1

• 2

• 3

Is the chemical equation balanced?

• Yes

• No

What is the product of the chemical equation?

• Al₂O₃

• CO₂

• 2H₂O

• H₂O

How many atoms of oxygen are there on the product side of the chemical equation?

• 0

• 1

• 2

• 3

Which type of bonds does methane (CH₄) have?

• Ionic bonds

• Covalent bonds

• Metallic bonds

• Hydrogen bonds

In the reaction between magnesium hydroxide and nitric acid, what is produced?

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