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Question 1
Which metal reacts with oxygen to form a dull black compound?
answer choices
Iron
Aluminium
Copper
Magnesium
Copper
Reactivity is a(n) ________property of Metal
Chemical Property
Physical Property
Chemical Property
Reacts with metals to form H2.
Acids
Bases
AllSalts
Acids
Complete the equation below.
Iron + Oxygen -->
Iron oxygen
Iron oxide
Iron oside
Ion oxide
Iron oxide
Which metal oxide is shown being formed here?
Copper oxide
Aluminium oxide
Iron oxide
Magnesium oxide
Magnesium oxide
What gas is always produced when a metal reacts with water?
Oxygen
Carbon dioxide
Hydrogen
Carbon monoxide
Hydrogen
Which metal is most likely to react with water or acid?
Copper
Potassium
Magnesium
Iron
Potassium
Which salt will be produced if magnesium react with hydrochloric acid?
Magnesium oxide
Magnesium sulfate
Magnesium sulfide
Magnesium chloride
Magnesium chloride
An acid reacts with metal to produce
Carbon dioxide
Hydrogen gas
Hydrogen gas and water
Salt and hydrogen gas
Salt and hydrogen gas
If potassium reacts with water what are the 2 products of the reaction?
potassium hydroxide + oxygen
potassium hydroxide + hydrogen
potassium + hydrogen oxide
Potassium hydroxide + hydrogen oxide
potassium hydroxide + hydrogen
Metals that float on water and fizz around water.
Transition metal
Alkaline earth metal
Alkali metal
Group 3 metals
Alkali metal
Copper metals react with water and forms ____ and ____
oxide and hydrogen gas
Hydroxide and hydrogen gas
carbonates and hydrogen gas
No reaction
No reaction
How can you tell that a metal is reacting with water?
Colour change
Bright light
Fizzing
It gets colder
Fizzing
