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Quiz by Omar Dabbas, created more than 1 year ago

This is a quick way to test your general knowledge in Biology, Physics and Chemisrty

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biology
chemisrty
physics
combined sciences
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general knowledge
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	Created by Omar Dabbas about 8 years ago

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6601746

quiz

2016-10-08T00:33:50Z

Combined Sciences

Combined Sciences

This is a timed quiz.

You have 5 minutes to complete the 5 questions in this quiz.

Begin Quiz

Question 1 of 5

2

A car is moving with a speed of 50 km/h. Give its speed in m/s with respect to three significant figures

Select one of the following:

13.88 m/s
13.9 m/s
13.8 m/s
13.888 m/s

Explanation

Question 2 of 5

2

If we want to build an electromagnet several equipment needed, which one of the following is not usually used in the construction of an electromagnet?

Select one of the following:

Increase the current supplied
Increase the number of coils around the electromagnet
Use steel as the core metal of the magnet
Use iron as the core metal of the magnet

Explanation

Question 3 of 5

2

Which one of the following gives us an example where a nuclear fusion take place?

Select one of the following:

The reaction of Hydrogen molecules in the Sun to form Helium atoms
The breakdown of Uranium atoms to Krypton and Barium in nuclear power stations

Explanation

Question 4 of 5

2

All enzymes are proteins but not all proteins enzymes.

Select one of the following:

True
False

Explanation

Question 5 of 5

2

If we have 3500 ml of NaCl (aq) in a solution, of concentration of 5 mol/dm3(cubed), there are 17.5 mol of NaCl present in this solution.

Select one of the following:

True
False

Explanation

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6601746

quiz

2016-10-08T00:33:50Z

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