Advertisements
Advertisements
Question
Explain by writing a word equation.
Respiration is a chemical change.
Advertisements
Solution
Respiration is a continuously occurring biological process. In this process air is inhaled, oxygen present in this inhaled air reacts with glucose present in the cells of the body forming carbon dioxide and water. The word equation and the chemical equation of this chemical reaction are as follows: (Here, the chemical equation is not balanced.)
Word equation:
\[\ce{Glucose + Oxygen ->[respiration] Carbon dioxide + Water}\]
RELATED QUESTIONS
When carbon dioxide is passed through lime water, it turns milky due to the formation of ______.
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)
The spoiling of food is a chemical change which is recognized from the generation of certain ______ due to it.
Define the following term:
Precipitate
Give an example of a reaction where the following are involved:
Close contact
Give a suitable example with an equation to show the representation of a chemical reaction.
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Copper nitrate.
Silver articles turning black: ______:: Boiling of H2O: physical change ______.
Iron benches kept in lawns and gardens get____________. It is a _________ change because a new _________ is formed.
Photosynthesis is a chemical charge. Justify your answer.
Collect information about the types of fuels used for cooking in your area. Discuss with your teachers/parents/others which fuels are less polluting and why.
