Class 10 Science
Class 10 science important questions with answers pdf
NCERT Solutions Class 10 Science
NCERT questions of science class 10
Important questions Science NCER
Class 10 Study 2022-2023
NCERT Class 10 Science
Give two examples of combination reactions.
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(i) Magnesium burns in oxygen to form magnesium oxide.
2Mg + O₂ → 2MgO + Heat
(ii) Quick lime reacts with water to produce calcium hydroxide
CaO + H₂O → Ca(OH)₂ + Heat