1) Which one is NOT a base? a) Metal oxides b) Acids c) Metal hydroxides d) Metal carbonates 2) Which one is an alkali? a) Metal oxides b) Acids c) Metal hydroxides d) Metal carbonates 3) Alkalis are a) Soluble in water b) Insoluble in water 4) Metal oxides and hydroxides react with an acid to form. . . a) Salt + Hydrogen b) Salt + Oxygen c) Salt + Water d) Pepper + Salt 5) What is the formula for sodium oxide? a) NaO b) Na2O c) H2O d) CaO 6) Hydrochloric Acid + Sodium Oxide > a) Sodium Oxide + Water b) Sodium Sulphate + Water c) Sodium Chloride + Water d) Sodium Hydroxide + Water 7) What is produced when acids react with metal carbonates? a) Salt + Water + Carbon dioxide b) Salt + Water + Nitrogen c) Salt + Water + Helium d) Salt + Water + Oxygen 8) Nitric Acid + Calcium Carbonate > a) Calcium Carbonate + Water + Carbon dioxide b) Calcium Nitrate + Water + Carbon dioxide c) Nitric Carbonate + Water + Carbon dioxide d) Calcium Acid + Water + Carbon dioxide 9) Hydrochloric acid + Copper Oxide > a) Copper sulphate + Water b) Copper oxide + Water c) Copper chloride + Water d) Copper Nitrate + Water 10) When no more copper oxide dissolves, we say that it is in. . . a) addition b) recess c) access d) excess 11) What is the next step in the experiment? a) Evaporation b) Filtration c) Combustion d) Sublimation 12) How do we form crystals of copper chloride? a) Evaporate the water b) Cool the water c) Pour the water away d) Filter the water

Neutralisation Reactions Required Practical

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