1) who is the best ever? a) joel b) james c) megan d) me 2) What colour does universal indicator turn in pure water? a) Green b) Purple c) Red d) Blue 3) What colour will blue litmus turn if some acid is added to it? a) Blue b) Red c) green d) yellow 4) Is it true that hydrangea flowers can change colour depending on the soil? a) no b) yes 5) How do you test for hydrogen? a) sqeuaky pop test b) limewater c) reaction test 6) What does the reaction between Zinc and sulfuric acid produce? a) oxygen b) carbon dioxide c) hydrogen 7) What happens to lime water when carbon dioxide bubbles through it? a) turns red b) turns milky c) turns blue 8) How can you get indigestion? a) eating too fast b) eating too much c) both d) neither 9) What do indigestion remedies do to stomach acid? a) neutralise it b) kill it c) nothing d) all of the above 10) What should you put on a wasp sting? a) soap b) vinegar c) toothpaste d) baking powder 11) which liquid does not have acid in? a) lemonade b) tomato sauce c) orange juice d) water 12) are the leaves on rhubabrb safe to eat? a) yes b) no 13) Most acids damage your skin: a) true b) false 14) How could you put a sparkler out? a) put water on it b) stamp on it c) put it in the bin d) leave it 15) is it safe to put sparklers to your face? a) yes b) no 16) frank has homework. He wants to know if he can change a boiled egg back to a normal egg. Can he? a) true b) false 17) if gunpowder is mixed with fuel, what will happen? a) nothing b) blow up c) just smoke 18) Which of these is not in the fire triangle? a) fuel b) oxygen c) thermal energy d) wood 19) what is thermal energy? a) heat b) air c) petrol d) acid 20) how would you use a fire blanket? a) use it to smother the flames b) waft the flames c) hide it d) let your dog sleep on it 21) what does a skull and crossbones mean? a) harmful b) toxic c) corrosive d) irritant 22) where would you find a hazard warning sign? a) on cigarettes b) on gin c) on bleach 23) alkailis can be corrosive a) true b) false 24) neutralisation happens when you add an alkali to an alkali a) true b) false 25) why should you handle acids carefully? a) they are dangerous b) they are expensive c) because it's fun

year 7 acids and alkalis

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