Marie mixed 5 g of carbon with 5 g of lead Oxide. She heated the mixture strongly for 15 minutes in a fume cupboard. After 15 minutes, Marie found some shiny beads in the mixture. Marie collected all the shiny beads from this experiment.
1.How could she test them to show they were metal?
2. Write any two chemical properties of the metal.
MY CHALLENGE QUESTION-2The picture shows a gold mask from a tomb in Egypt. The gold is still shiny after thousands of years. (a) Why is it still shiny after thousands of years? (b) Which of the properties shows that gold does not react with oxygen in the air?
MY CHALLENGE QUESTION-3Magnesium Chloride is formed when Magnesium reacts with an acid.
(a)Write the chemical equation for the reaction between Magnesium and this acid and check whether the equation is balanced.
(b)Why Magnesium chloride can be made by mixing Magnesium with this acid but Copper chloride can not be made by mixing Copper with this acid.
these are the questions from the question paper below
the picture for the first and second question is there in the worksheet below
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