ICSE Class 9 - Conditions and Characteristics of Chemical Reactions Videos
Chemical Changes and Reactions
Chemical Changes and Reactions, Conditions and Characteristics of Chemical Reactions
- Write the observation when quicklime is added to water.
- State the main characteristic of chemical change give at least one example in each case
- Information conveyed by a balanced chemical equations
- unit in which atomic weight is expressed
- All chemical equations must be balanced to complete with________ (Avogadro's law/Law of conservation of matter/Lussac's law)
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2kclo3 on Mno2 gives 2kcl + 3O2 return with Heat is which reaction
- Define a chemical reaction give three example of chemical reaction
- Balance the following equation Fe+H2O=Fe3o4+H2
- Give 2 examples of each of the following changes occurring during a chemical reaction : 1) Change of state of the reactants 2)Change of colour 3)Evolution of gas 4) Formation of precipitate
- Amongest the metals: iron, magnesium, zinc and aluminium, which reacts 1. Fastest with dilute sulphuric acid 2. Slowest with dilute sulphuric acid. Also, write fully balanced chemical equation.
