Edexcel Core Chemistry
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Which acid does the stomach contain?
Which process uses electrical energy to decompose a compound?
What products do you get if you react magnesium carbonate with hydrochloric acid?
- Magnesium chloride
- carbon dioxide
How do you test for chlorine?
Damp blue litmus paper is bleached white
Why do we have acid in the stomach?
- To digest food
- kill bacteria
How do you test for hydrogen?
A lit splint goes squeaky pop
What is the hazard of chlorine and how can it be managed?
It is toxic, so wear a mask and keep well ventilated
When an acid reacts with a base, which chemical reaction takes place?
Why do we take indigestion remedies?
To neutralise the excess acid
Which products are produced when you react sodium hydroxide with nitric acid?
Sodium nitrate and water
How do you test for oxygen?
A glowing splint relights
What is chlorine used to manufacture?
Bleach or PVC
What type of electrical supply does electrolysis use?
Which compound is found in indigestion remedies?
Which compounds neutralise acids?
- Metal oxides
- Metal hydroxides
- Metal carbonates
Which salt is produced using sulfuric acid?
A metal sulfate
What are the formulas for chlorine, hydrogen and oxygen?
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