Types Of Changes MCQ Tests
7th Class Science MCQ Tests
Types Of Changes
of 7th Class Science has 10 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 10
Total Marks: 10
Time: 10 Mins
Total Questions: 10
Total Marks: 10
Time: 10 Mins
10Min : 00 Sec Remaining
Question # 1
Polyvinyl chloride (PVC) is a solid _____ material.
Question # 2
If you were burning a candle, which of the following would be a reversible change?
Question # 3
______ is used to make pipes, medical devices, housewares, toys, school supplies, food packaging, and shoes.
Question # 4
_______ is an organic compound with the formula C4 H10.
Question # 5
Examples of ______ properties include melting, transition to a gas, change of durability and changes to crystal form.
Question # 6
The conversion of vegetable oil to vegetable ghee is called ______ reaction.
Question # 7
Glucose and oxygen is the result of _______.
Question # 8
______ is a polyethylene which is softer, more flexible and melts at a lower temperature.
Question # 9
Which one of the following is is widely used to power jet engines of aircraft and some rocket engines ?
Question # 10
Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives off heat.
Total Questions
12345678910
Question # 1
Polyvinyl chloride (PVC) is a solid _____ material.
Question # 2
If you were burning a candle, which of the following would be a reversible change?
Question # 3
______ is used to make pipes, medical devices, housewares, toys, school supplies, food packaging, and shoes.
Question # 4
_______ is an organic compound with the formula C4 H10.
Question # 5
Examples of ______ properties include melting, transition to a gas, change of durability and changes to crystal form.
Question # 6
The conversion of vegetable oil to vegetable ghee is called ______ reaction.
Question # 7
Glucose and oxygen is the result of _______.
Question # 8
______ is a polyethylene which is softer, more flexible and melts at a lower temperature.
Question # 9
Which one of the following is is widely used to power jet engines of aircraft and some rocket engines ?
Question # 10
Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives off heat.
Total Questions
12345678910
Science
7th Class Punjab MCQ Tests
7th Class Online Classes 2026
Updated on: 01-06-2026
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