Science Ch 5 Physical and Chemical Change Class 7 Saraswati Vidya Mandir

नमस्कार
बच्चों इस विडियो में Class 7 Science Ch 5 physical_&_chemical_change की स्टडी करवाया गया है और उसके प्रश्न उत्तर भी करवाया गया है। आप सभी इस विडियो को ध्यान पूर्वक देखकर समझें और उसके प्रश्न उत्तर भी याद करें। धन्यवाद।

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physical and chemical change
new ncert Science Class 7Ch 5
Study With Dular
Sarswati Shishu Vidya Mandir
ch 4 new science class 7
Saraswati Vidya Mandir
science solution class 7

Key words.
1. Chemical change: The change in which one or more new substances are formed is called chemical change.
2. Crystallisation - The process by which large crystals of pure substance can be formed from their solution is called crystallisation.
3. Galvanisation. The process of depositing a layer of zinc on iron is called galvanisation.
4. Chemical reaction: - A chemical change
is also called a chemical reaction.

[HaniJain-skom]

Hi class 7 ka msvm civis ka ch 3 question answer ka video banaa dijiye