CHM103 INTRODUCTORY PHYSICAL CHEMISTRY TMA1 QUESTION AND ANSWER

CHM103 INTRODUCTORY PHYSICAL CHEMISTRY TMA1

Question 1. Magnetic attraction can be used to separate object made of__________?

Answer is: copper

Question 2. A gas turn to liquid by the process known as ____________?

Answer is: condensation

Question 3. How many decimeter point are there in 15 centimeter

Answer is: 1.5dm

Question 4. The S.I unit for amount of substance is ___________?

Answer is: mole

Question 5. ___________ is the S.I unit for amount of substance

Answer is: mole

Question 6. Angstrom is unit of ___________?

READ ALSO  ANSWER TO CIT143 INTRODUCTION TO DATA ORGANISATION AND MANAGEMENT TMA1

Answer is: velocity

Question 7. Which one of the following can be separated by adding water, stirring and filtering?

Answer is: salt and copper sulphate

Question 8. The S. I unit of luminous intensity is_________?

Answer is: candela

Question 9. In order to dissolved the greatest amount of sugar in a cup of water, you should_____?

Answer is:  use sugar crushed into small pieces, and heat the water

Question 10. Magnetic attraction can be used to separate objects made of _______?

Answer is: copper

READ ALSO  GST102: Use Of English And Communication Skills Ii TMA4 question and answer

Question 11. Which of the following group of element in the periodic table exhibits semiconductor behavior?

Answer is: group IV

Question 12. If 30g of a substance occupies a volume of 25cm3, calculate its density on S.I units.

Answer is: 1.2g/cm3

Question 13. Fractional distillation cannot be used to ____________?

Answer is: separate the component of liquid air

Question 14. Distillation can used to separate____________?

Answer is: a liquid from a solution

Question 15. What is the appropriate S.I unit for distance?

Answer is: kilometres

Question 16. Convert 10kg to mg

READ ALSO  Why does the atomic size of an increase across a period left to right?

Answer is: 10,000mg

Question 17. In filtration, the term filtrate refer to______________?

Answer is: the solid that remain on the filter paper

Question 18. Which of the following can be separated by adding water, stirring and filtering?

Answer is:  salt and copper sulphate

Question 19. In fractional distillation, a mixture of liquids is separated base on their _____?

Answer is: boiling point

Question 20. Distillation can be used to separate?

Answer is: a liquid from solution

 

Leave a Reply

Your email address will not be published. Required fields are marked *

Skip to toolbar