Which of the following statement is incorrect?
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The word-equation for the reaction of magnesium with oxygen can be written as Magnesium + _____ → Magnesium oxide.
What type of reaction is characterized by the formation of a single product from two or more reactants?
Assertion (A): Chemical equations can be made more concise and useful if we use chemical formulae instead of words.
Reason (R): A chemical equation represents a chemical reaction.
Which of the following is a balanced chemical equation?
Assertion (A): Burning of natural gas is an example of an exothermic reaction.
Reason (R): Exothermic reactions release heat energy along with the formation of products.
What type of chemical reaction is represented by the following equation: C(s) + O2(g) → CO2(g) accompanied by the release of heat?
When Iron nails are added to an aquous solution of copper sulphate, a chemical change occurs, which of the following is NOT true about this reaction?
Fe2O3 + 2Al → Al2O3 + 2Fe This reaction is an example of
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