Year 10 chemical reactions quizz

in this reaction 'X' will be:
Zinc + Hydrochloric acid ---->  X  + Hydrogen

• Zinc chloride
• Zinc nitrate
• Zinc sulfate
• Zinc oxide

the reaction between an acid and a base is called a

• combustion reaction
• neutralisation reaction
• precipitation reaction
• displacement reaction

A solution has a high pH (>7). The solution can be described as...

• neutral
• basic
• acidic
• a salt

which of the following contains ONLY acids?

• sodium hydroxide, hydrochloric acid, vinegar
• vinegar, citric acid, baking soda
• baking soda, sodium hydroxide, calcium hydroxide
• vinegar, citric acid, sulfuric acid

complete the following word equation:
Nitric acid + sodium hydroxide --> X + water

• salt
• sodium noxide
• nitric sodiumian
• sodium nitrate

complete the following word equation:
iron + sulfuric acid --> X + hydrogen

• sulfur
• iron sulfuric
• iron sulfate
• iron nitrate

analyse the following word equation:
Hydrochloric acid + calcium oxide ----> calcium chloride + water
identify one reactant and one product.

• water and calcium chloride
• hydrochloric acid and water
• calcium oxide and carbon chloride
• calcium oxide and calcium 

when heating a carbonate, which of the following steps would you take in the interests of safety

• wear safety glasses
• point the test tube anywhere in the laboratory
• hold the test tube in your hand
• pour cold water over the red hot test tube

which of the following methods would best prevent corrosion of a metal?

• leaving it exposed to the atmosphere
• painting the metal
• removing all traces of grease and oil
• rubbing off any oxide or rust on the surface

In this combustion reaction what is X:
Methane + X --> carbon dioxide + water

• Oxygen 
• Water
• Methane
• Hydrogen