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WorksheetsPatterns of reactivity
Total questions: 10
Worksheet time: 5mins
Name the metal which reacts with oxygen to form a dull black compound?
Iron
Aluminium
Copper
Magnesium
Complete the equation below.
Iron + Oxygen gas →
Iron oxygen
Iron oxide
Iron oside
Ion oxide
Write the products formed when sodium reacts with water?
sodium oxide and hydrogen
sodium hydroxide and hydrogen
sodium hydroxide and oxygen
sodium hydroxide and carbon dioxide
Which gas is always produced when a metal reacts with water?
Oxygen
Carbon Dioxide
Hydrogen
Carbon Monoxide
Aluminium is more reactive than ....
Calcium and Zinc
Sodium and Gold
Magnesium and Copper
Lead and Iron
Which gas turns lime water milky?
Nitrogen
Hydrogen
Carbon Dioxide
Oxygen
What is the formula and color of the compound formed when Magnesium react with oxygen
MgCl2, White
CaCO3, Blue
MgO, White
MgO2, White
Nitric acid (HNO3) is a
Reducing agent
Oxidizing agent
Redox agent
None of these
Which of the following is more reactive?
Calcium
Magnesium
Zinc
Alumunium
Water becomes cloudy after commencement of reaction between Calcium and water because of the formation of
Calcium Chloride
Calcium Carbonate
Calcium Oxide
Calcium Hydroxide
