22/05/2026
ChemMagic with Pragya
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Chemistry with Pragya
22/05/2026
01/05/2026
Formula of density
26/04/2026
In SI System, volume has units of m³.
But in chemistry laboratories, smaller volume are used.
Hence, volume is often denoted in cm³ or dm³ units.
A common unit, Litre (L) which is not an SI unit, is used for measurement of volume of liquids.
1L=1000 mL, 1000 cm³ =1dm³
25/04/2026
आयतन
किसी पदार्थ द्वारा घेरे हुए स्थान को आयतन कहते हैं
24/04/2026
"ICE TO STEAM!" or "SOLID → LIQUID → GAS"
An ice cube on the left, a glass of water in the middle, and steam rising from a utensil on the right.
"Master the basics of Chemistry! 📖 This video explains the inter-conversion of the three states of matter:
✅ Melting (Solid to Liquid)
✅ Vaporization (Liquid to Gas)
✅ Freezing (Liquid to Solid)
24/04/2026
Matters and its states :- Solid, Liquid, Gas
23/04/2026
Mass and Weight of matter
Analytical balance
The SI unit of mass is kg. Its fraction named as gram is used in laboratories due to the smaller amounts of chemicals used in chemical reactions.
23/04/2026
The SI System allows the use of prefixes to indicate the multiples or submultiples of a unit.
23/04/2026
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