Practice What Happens When Metals Are Burnt In Air? (3.2.1)

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What do metals form when they react with oxygen?
Show hintHide hint
Think about what the metal becomes after burning.
Question 2.
Which metal is known to burn with a bright white flame?
Show hintHide hint
Recall the example of a bright flame discussed earlier.
3Question 3.
What compound is formed when magnesium reacts with oxygen?
- MgO
- Al2O3
- CuO
Show hintHide hint
Recall the specific metal and its oxide.
4Question 4.
True or False: Gold reacts with oxygen at high temperatures.
- True
- False
Show hintHide hint
Consider gold's nature as a noble metal.
Question 5.
Given the following metals: sodium, magnesium, and copper, predict their order of reactivity when exposed to air and justify your reasoning.
Show hintHide hint
Think about the vigor of reaction and observed flames.
Question 6.
Write balanced equations for the reactions of magnesium and aluminum with oxygen. Then explain the properties of the products you formed.
Show hintHide hint
Focus on balancing the equations and identifying basic traits.

5 more questions in this section. Enroll free to practise them all.