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प्रश्न
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
उत्तर
CO2 carbon dioxide.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
Classify the following as chemical or physical change:
Burning of paper and wood
Fill in the blank.
When a candle burns, wax melts. Melting of wax is a ________ change.
Tick (√) the correct alternative from the choice given for the following statement
Which one of the following is volatile in nature ?
Give four difference between physical and chemical changes.
Fill in the blanks with the appropriate words of the statement given below:
Heating a piece of iron is considered a __________ change while heating a piece of coal [carbon] is considered a ___________ change.
When a woolen yarn is knitted to get a sweater, the change can be classified as ____________.
What type of energy changes is associated when ice melts?
What is the difference between dissolution of sugar and burning of sugar ?
Which of the following is a physical change?
