KS3 Particles SATs Revision

Questions on burning, gas tests and some general chemical reactions for level 5 SATs revision.
What O is used up when things burn or we respire?. What H are the name of chemicals made from carbon and hydrogen only?. What C is made by chemically joining two or more elements together?. What E is a substance that contains only one type of atom?. What M is formed when chemicals are put together but do not chemically join?. What H is a gas that burns with a squeaky pop to form water?. What W is a gas formed when wewhen we burn a hydrocarbon or respire ?. What G is used to test if a gas is oxygen?. What L turns cloudy if carbon dioxide wi bubbled through it?. What E is similar to boiling but can happen at any temperature?. What M happens when particles in a solid get enough energy to break away from their bonds?. What C is the opposite of boiling and turns a gas into a liquid?. What F is the change of state from liquid to solid?. What C is the scientific name for burning?. What C gets produced when an acid reacts with a carbonate?. What A would you add to a metal to produce hydrogen gas?. What O get formed when things burn in air?. What R is a process that happens in our bodies and is very similar to combustion?. What R happens when atoms rearrange to form new substances?. What M is two or more atoms joined together?.

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