Advertisements
Advertisements
प्रश्न
Explain the term chemical reaction with special reference to reactants and products.
Advertisements
उत्तर
A chemical reaction is a transformation in which matter transforms into one or more new compounds. Reactants are substances or substances that participate in a chemical reaction; these are changed into products, which are one or more new compounds.
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Iron pipes coated with zinc do not get rusted easily.
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Iron and rust are the same substances.
TRUE \ FALSE
Ammonia is a good oxidizing agent.
What are the characteristics of a chemical reaction ? A chemical reaction is characterised by an irreversible change in which a new substance is formed.
State what you would observe when the following substance is heated in a glass test tube Copper (II) carbonate Red lead .
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Electron ______ is complete in each hydrogen in a hydrogen molecule.
Write your observation and a balanced equation in the case of the following substances being heated.
Ammonium dichromate.
True or False. If false, give the correct answer.
Taking a glass of water and freezing it by placing it in the freezer is a chemical change.
Silver metal can displace hydrogen gas from nitric acid.
Iron benches kept in lawns and gardens get____________. It is a _________ change because a new _________ is formed.
