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Everyday Science Mcqs — Test 19

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Question 1
Second ionization energy:
Question 2
Nuclear radiation is emitted by those elements whose:
Question 3
Color of the glow produced in the discharge tube:
Question 4
Covalent network crystals have_____________?
Question 5
Rate of evaporation of petrol is greater than that of water at room temperature because:
Question 6
The increasing vapor pressure caused by heating a liquid is due to___________?
Question 7
All of the following substances are crystalline except_____________?
Question 8
An atom is_____________?
Question 9
Which of the following is a substance?
Question 10
The average speed of a moving object during a given interval of time is always: