A precipitate forms in a sealed flask. Total mass?
AIt remains equal to its start
BIt becomes the solid's mass
CIt rises with the precipitate
DIt falls as particles settle
Answer & Solution
Correct answer: A. It remains equal to its start
Formation of a new solid redistributes material within the sealed flask without changing total mass.
Keep practising Matter
Browse all Matter questions for ICSE Class 8, or explore more Chemistry topics.
Related questions
Which name describes a gas changing directly into a solid?During condensation of a pure vapour, its particles generally become?Water vaporises without reacting. What is chemically unchanged?What causes gas pressure on a container wall?In a non-reacting gas model, a collision can change which property?Gas temperature rises. What increases in the particle model?On compressing a gas without state change, what shrinks?A liquid flows. What is true of the forces between its particles?