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Chemistry CBSE Live product
Class 10
Chemical reaction and equations
Annual Revision I - Chemical reactions and equations
1.
Characteristics of chemical reaction
Question:
1
m.
Choose the correct answer:
During a lab experiment, Jitesh mixes dilute \(HCl\) with zinc granules. The test tube becomes warm and bubbles appear. Which of the following observations and inference are correct?
Gas evolution only; no chemical change
Gas evolution and heat release
Physical change and heat absorption
Endothermic process with no new substance
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