Advertisements
Advertisements
Question
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
Options
physical
chemical
Solution
A change in which matter undergoes a change but the total mass of the substance is unaltered is a chemical change.
APPEARS IN
RELATED QUESTIONS
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Cutting a log of wood into pieces is a chemical change.
Classify the following changes as physical or chemical:- melting of a solid (wax)
State whether the following is physical or chemical changes.
water cycle in nature —
Tick (√) the correct alternative from the choice given for the following statement
Which one of the following is volatile in nature ?
Give two examples of periodic changes.
Classify the following as a physical or a chemical change.
Melting of wax
Select the correct answer from the choice given below to complete the sentence
The dissolution of lead nitrate in water is deemed as a _________ change.
Stretching gold coin into a ring is a ______ change.
Wood to sawdust:______:: Wood to Ash: Chemical change
Assertion: Burning of wood log to charcoal is a physical change.
Reason: The products formed of burning a piece of wood can be easily converted back to wood log.