ZERO CONDITIONALS

1. If you heat water to 100 degrees Celsius, it ___.

• a) boils
• b) will boil
• c) boiled
• d) boiling

2. We use zero conditionals to talk about facts or truths that are:

• a) uncertain
• b) likely
• c) hypothetical
• d) always true

3. If you mix red and blue, you ___ purple.

• a) will get
• b) get
• c) got
• d) getting

4. The zero conditional is often used to express scientific facts, general truths, and ___________.

• a) predictions
• b) possibilities
• c) hypothetical situations
• d) past events

5. If you don't water plants, they ___.

• a) died
• b) dying
• c) will die
• d) die

6. In a zero conditional sentence, which of the following verb tenses is used?

• a) Present simple in both clauses
• b) Present continuous in both clauses
• c) Past simple in both clauses
• d) Present simple in the main clause, and future simple in the conditional clause

7. If you touch fire, it ___.

• a) burns
• b) burnt
• c) will burn
• d) burning

8. We use "if" and "when" interchangeably in zero conditionals to express:

• a) future events
• b) uncertainty
• c) causality
• d) past actions

9. If you add sugar to tea, it ___ sweeter.

• a) taste
• b) tasted
• c) will taste
• d) tastes

10. Which of the following is an example of a zero conditional sentence?

• a) If I win the lottery, I will buy a new car.
• b) If you call me later, I may answer.
• c) If you drop an object, it falls to the ground.
• d) If I had known, I would have helped.