Maths -7 / Physical and Chemical Changes
QID: #31227
Is it essential for two substances to interact for a change to occur? Explain with an example.
Choose Your Option
A. No, changes can occur without interaction, e.g., melting of ice
B. Yes, interaction is essential; e.g., iron and oxygen interact to form rust
C. Only for chemical changes, not for physical changes
D. Interaction is not essential for any change
Share this Question
WhatsApp Telegram
Similar Questions
Match the changes in Column I with their types in Column ... Match the following: [A] Limestone – (1) CH₃COOH [B] Oz... Match the following: [A] Limestone – (1) CaCO₃ [B] Wate... Assertion (A): Decay and decomposition of dead organic ma... Assertion (A): Coating an iron sheet with a layer of zinc...