Howework activites for OCR A Chemistry specificationsWhen chlorine is added to sodium hydroxide solution a bleach is produced. chlorine + sodium hydroxide a agt; sodium chloride + sodium ... To kill bacteria in toilets ac To remove colour from dyed materials ac To sterilise drinking water c Balance this equation for the reaction: ... damage an important protective layer in our atmosphere. a What is the name of this layer? b From what does this layer protect us? canbsp;...
|Title||:||Chemistry Homework for OCR A for Double and Separate Awards|
|Author||:||Gareth Pritchard, Ann Tiernan|
|Publisher||:||Heinemann - 2001|