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Balance the following equation:
\[\ce{H2O2 -> H2O + O2}\]
Concept: undefined >> undefined
Balance the following equation:
\[\ce{Mg(OH)2 + HCl -> MgCl2 + H2O}\]
Concept: undefined >> undefined
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Balance the following equation:
\[\ce{Fe + O2 -> Fe2O3}\]
Concept: undefined >> undefined
Balance the following equations:
\[\ce{Al(OH)3 -> Al2O3 + H2O}\]
Concept: undefined >> undefined
Balance the following equation:
\[\ce{NH3 + CuO -> Cu + N2 + H2O}\]
Concept: undefined >> undefined
Balance the following equation:
\[\ce{Al2(SO4)3 + NaOH -> Al(OH)3 + Na2SO4}\]
Concept: undefined >> undefined
Balance the following equation:
\[\ce{HNO3 + Ca(OH)2 -> Ca(NO3)2 + H2O}\]
Concept: undefined >> undefined
Balance the following equation:
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Concept: undefined >> undefined
Balance the following equation:
\[\ce{BaCl2 + H2SO4 -> BaSO4 + H2O}\]
Concept: undefined >> undefined
Name an indicator which is pink in alkaline solution but turns colourless in acidic solution.
Concept: undefined >> undefined
Chemical equations are balanced to satisfy the law of ______.
Concept: undefined >> undefined
When a solution is added to a cloth strip treated with onion extract, then the smell of onion cannot be detected. State whether the given solution contains an acid or a base.
Concept: undefined >> undefined
A solution made in water is known as an ______ solution and indicated by the symbol ______.
Concept: undefined >> undefined
When a solution is added to vanilla extract, then the characteristic smell of vanilla cannot be detected. State whether the given solution is an acid or a base.
Concept: undefined >> undefined
How will you test for the gas which is liberated when hydrochloric acid reacts with an active metal?
Concept: undefined >> undefined
Name the gas evolved when dilute HCl reacts with sodium hydrogencarbonate. How is it recognised?
Concept: undefined >> undefined
Give the names and formulae of two strong acids.
Concept: undefined >> undefined
Name one natural source of the following acid:
Citric acid
Concept: undefined >> undefined
Name one natural source of the following acid:
Oxalic acid
Concept: undefined >> undefined
Name one natural source of the following acid:
Tartaric acid
Concept: undefined >> undefined
