Quiz about Exploring Matter and Chemical Reactions

Question 1

What is the main difference between an element and a compound?

Accepted Answer

Elements are made of one type of atom, while compounds consist of two or more types of atoms chemically bonded.

Answer

Elements are made of different types of atoms, while compounds are made of the same type of atom.

Answer

Elements are pure substances, while compounds are mixtures.

Answer

Elements can be broken down into simpler substances, while compounds cannot.

Question 2

Which property of water allows insects to walk on its surface?

Accepted Answer

Surface tension

Answer

Adhesion

Answer

Cohesion

Answer

Capillary action

Question 3

When cohesion and adhesion work together to carry water up a tube or plant stem, it is called

Accepted Answer

capillary action

Answer

polarity

Answer

adhesion

Answer

surface tension

Question 4

What is the pH of a neutral solution?

Accepted Answer

7

Answer

0

Answer

14

Answer

1

Question 5

Compare the properties of acids and bases in terms of their pH levels.

Accepted Answer

Acids have a pH less than 7, while bases have a pH greater than 7.

Answer

Acids have a pH greater than 7, while bases have a pH less than 7.

Answer

Both acids and bases have a pH of 7.

Answer

Acids and bases have the same pH range.

Question 6

In a chemical reaction, the mass of the reactants is 50 grams. What should be the mass of the products?

Accepted Answer

50 grams

Answer

25 grams

Answer

75 grams

Answer

100 grams

Question 7

Explain how the conservation of mass is demonstrated in the chemical equation for photosynthesis.

Accepted Answer

The mass of carbon dioxide and water is equal to the mass of glucose and oxygen produced.

Answer

The mass of carbon dioxide and water is greater than the mass of glucose and oxygen produced.

Answer

The mass of glucose and oxygen produced is greater than the mass of carbon dioxide and water.

Answer

The mass of reactants and products cannot be compared in photosynthesis.

Question 8

How many hydrogen atoms are present in this chemical formula: $$4H_2O$$ ?

Accepted Answer

8

Answer

2

Answer

12

Answer

4

Question 9

Determine the number of oxygen atoms in the chemical formula for glucose, $$C_6H_{12}O_6$$ .

Accepted Answer

6

Answer

12

Answer

18

Answer

24

Question 10

Which of the following is a characteristic property of bases?

Accepted Answer

Slippery feel

Answer

Sour taste

Answer

Reacts with metals to produce hydrogen gas

Answer

Turns blue litmus paper red

Question 11

Abigail looks at her terrarium and notices there are water droplets clinging to the inside of the bottle. When water forms droplets it is called ______, but when these droplets stick to the plastic bottle it is called ______.

Accepted Answer

cohesion, adhesion

Answer

capillary action, adhesion

Answer

adhesion, cohesion

Answer

surface tension, polarity

Question 12

Which of the following best explains why mass is conserved in a chemical reaction?

Accepted Answer

Atoms are rearranged but not created or destroyed.

Answer

Atoms are destroyed during the reaction.

Answer

New atoms are created during the reaction.

Answer

Atoms are both created and destroyed during the reaction.

Question 13

What is the classification of the unknown substance?

Accepted Answer

acid

Answer

base

Answer

neutral

Answer

cohesion

Question 14

Which substance is a base?

Accepted Answer

ammonia

Answer

tomatoes

Answer

eggs

Answer

distilled water

Question 15

What color would the missing pH turn on a litmus strip?

Accepted Answer

blue

Answer

red

Answer

yellow

Answer

green

Exploring Matter and Chemical Reactions

17 questions

What is the main difference between an element and a compound?

Which property of water allows insects to walk on its surface?

When cohesion and adhesion work together to carry water up a tube or plant stem, it is called

What is the pH of a neutral solution?

Compare the properties of acids and bases in terms of their pH levels.

In a chemical reaction, the mass of the reactants is 50 grams. What should be the mass of the products?

Explain how the conservation of mass is demonstrated in the chemical equation for photosynthesis.

Which of the following is a characteristic property of bases?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science