1) What is the primary difference between a compound and a mixture a) Compounds are physically combined. Mixtures are chemically combined b) Compounds have fixed compositition, Mixtures do not c) Mixtures have fixed composition Compohnds do not d) Compounds can be separated by physical means, mixtures cannot 2) Which of these is a Mixture a) Salad b) Sand c) Air d) Pizza 3) What happens when a compound is formed a) Atoms are chemically bonded b) Atoms are physically mixed c) Atoms are seperated d) Molecules lose there property 4) Which of the following is a Compound a) Salt Water b) Brass c) Carbon Dioxide d) Baby Oil 5) Which Compound/Mixture doesn’t exist a) Carbon Dioxide b) Zinc Oxide c) Helium Nitroxide d) Water 6) What is Water a) K2O b) H2O c) Qwimby2O d) HeNO4 7) What colour is Sulphur Nitrate a) Green b) Red c) Yellow d) Blue 8) What is used to separate the components from the mixture a) Electrolysis b) Physical Seperation c) Chemical Reaction d) Its physically impossible 9) Which of these is a compound a) Oxygen Gas b) Hydrogen Gas c) Water d) Nitrogen Gas 10) What is Magnesium Hydroxides formula a) H2MgO2 b) Mg2HO2 c) K2H2O d) Zn2K7H2 11) Which is not a group in the periodic table a) Halogenes b) Alkali Metals c) Kraktiniders d) Actinides 12) Which of these is a Noble Gas a) Oxygen b) Magnesium c) Manganese d) Argon 13) What is Iron represented as a) K b) He c) X d) Fe 14) Which of these four react aggressively a) Noble Gases b) Halogens c) Lanthanides d) Alkali Metals 15) Which of these is a transition metal a) Sodium b) Yttrium c) Francium d) Ogannasen 16) Atomic Number 56 is? a) Germanium b) Arsenic c) Barium d) Plutonium 17) Which of these is a Halogen a) Fluorine b) Uranium c) Unuquandium d) Zirconium 18) Which of these is a non metal a) Zinc b) Nickel c) Sulfur d) Vanadium 19) What element is Pl a) Plutonium b) Gadolinium c) Lead d) Bismouth 20) Which word does not contain a metal inside its name (e.g voTINg) a) Nickelodeon b) Leader c) Brassiere d) Goldfish

EA2 CHEMISTRY TEST REVISION

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