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ICSE Class 7 Chemistry : Choose Your Topic
Definition of matter
Matter has mass and occupies space - Explanation.
Composition of matter
Physical and chemical changes
Chemical change - formation of a new product with new properties.
Differentiating between physical and chemical change
Classification as physical & chemical change
Types of change involved when there is a change of state of matter
Types of change involved when there is a change of energy
Identification of elements and compounds
Mixtures and compounds: difference between mixtures and compounds
Forming of Mixtures
Types of mixtures
Principle behind each separation technique
Chromatography as a separation technique; Paper chromatography
Definining Atoms, Molecules and Radicals
Atomicity of elements and compounds
First 20 elements in the periodic table (names and symbols)
Valency - definition
Characteristics of occurrence of a chemical reaction by Change
Distinguish between metals and non-metals
Classification of elements as metals & non-metals.
Corrosion of iron (rusting); ways to prevent rusting
Uses of certain metals
Air a mixture of gases
Composition of air and uses of its components
Need of Oxygen in combustion
Mass change during burning
Reaction equation of metals and non-metals with O
Products formed in acid rain; effects of acid rain
Study the properties of oxygen
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