This quiz pulls questions at random from the entire 1100+ question-bank

1. Describe the structure of metals

Question 1 of 10

2. A sample of bromine contained the two isotopes in the following proportions: bromine-79 = 50.7% and bromine-81 = 49.3%. Calculate the relative atomic mass of bromine

Question 2 of 10

3. Are neutralisation reactions exothermic or endothermic?

Question 3 of 10

4. Calculate the relative formula mass(Mr) of ammonium nitrate (NH₄NO₃)

Question 4 of 10

5. hydrochloric acid + magnesium →

Question 5 of 10

6. What is the atomic number of a carbon atom?

Question 6 of 10

7. Explain, in terms of electrons, why isotopes have the same chemical properties

Question 7 of 10

8. What is the molecular formula for ethane?

Question 8 of 10

9. What is the molecular formula of butan-1-ol?

Question 9 of 10

10. State the conditions needed for the manufacture of ethanol by the fermentation of sugars.

Question 10 of 10


 

Related Posts: