4Na(s) + O₂(g) ➡️ 2Na₂O(s) CuO(s) + H₂(g) ➡️ Cu(s) + H₂O(l)
- 4Na(s) + O₂(g) ➡️ 2Na₂O(s)
- CuO(s) + H₂(g) ➡️ Cu(s) + H₂O(l)
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Syllabus:
👉 Chemical Reaction Involve Chemical changes
👉 Formation of new substances by the rearrangement of atoms
👉 Reactants and products
👉 Characteristics of chemical reactions
👉 Evaluation of a gas
👉 Formation of a precipitate
👉 Change in colour
👉 Change in temperature and change in state
👉 Chemical equations
👉 Short – Hand method of Representing a chemical reaction
👉 Balanced chemical equations and unbalanced chemical equations
👉 Balancing of chemical equations to satisfy the law of conservation of mass in chemical reactions
👉 To make chemical equations more informative
👉 By indicating the physical states of Reactants and products in the equation
👉 By indicating the heat changes in the equation
👉 By indicating the conditions under which the reaction takes place
👉 Important examples of writing of balanced chemical equations
👉 Types of chemical reactions
👉 Combination reactions
👉 Decomposition reactions
👉 Displacement reaction
👉 Double displacement reaction
👉 Oxidation and reduction reaction
👉 Oxidising agents and reducing agents
👉 Uses of decomposition reactions
👉 Decomposition reaction in our body
👉 Effect of oxidation reactions in everybody life
👉 Corrosion of metals and rancidity of fiid
👉 Preventing of rancidity of food
👉 Adding anti- oxidants
👉 Packaging in nitrogen gas
👉 Keeping in a refrigerator
👉 Storing in anti- tight containers
👉 Away from light.
4Na(s) + O₂(g) ➡️ 2Na₂O(s) CuO(s) + H₂(g) ➡️ Cu(s) + H₂O(l)