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5/70 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Hydrogen

Other reactive metals such as  Na,K,Ca,Mg, and  Fe will liberate hydrogen from dilute HCl and dilute H2 SO4 but zinc is preferred because:

What term describes metals or their oxides/hydroxides that can react with both acids and bases?
In the reaction of hydrogen with chlorine, what initiation is usually required?
When dilute sodium hydroxide solution is added to magnesium metal, what is observed?
What is a chemical property of hydrogen gas related to its ability to react with certain compounds?