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Unit conversion

Unit conversion

Unit conversion- Unit conversion – One unit can be converted into another by conversion factor method or dimensional analysis.  Continue Reading »

3 hours ago
properties

Properties of matter

Properties of matter- Properties of matter- Each substance has unique properties, these are physical & chemical properties. Physical properties  Continue Reading »

1 day ago

Accuracy and precision

Accuracy and precision- source: mathsis fun.com Accuracy and precision- Accuracy- Accuracy means the closeness of an experimental value or  Continue Reading »

3 days ago
Scientific notation

Scientific notation

Scientific notation- Scientific notation- A better and simplified way to represent very large or very small values is called  Continue Reading »

4 days ago
Significant figures

Significant figures

Significant figures- Significant figures- “The significant figures of a number are digits that carry meaningful contributions to its measurement  Continue Reading »

5 days ago
Significant figures

Significant figures calculation

Significant figures Calculations involving Significant figures- Rule 1-       When addition & subtraction of digits is carried out, the  Continue Reading »

6 days ago
Rounding off

Rounding off the Numbers

Rounding off the Numbers Rounding off the Numbers- Round to the Nearest Hundred Ex-   1650 i) Identify the  Continue Reading »

1 week ago

Classification of matter

Classification of matter-   Classification of matter- MATTER– It occupies space & possesses mass, it can exist in three  Continue Reading »

1 week ago

Rank the following atoms and molecules based on which would effuse the fastest. i) H2  ii) He iii) N2 iv) CO2 v) H2S

Question – Rank the following atoms and molecules based on which would effuse the fastest. i) H2  ii) He  Continue Reading »

10 months ago
Kohlrausch law

Kohlrausch law- Applications

Kohlrausch law- source : slideplayer.com Applications of Kohlrausch law- 1)  Calculation of degree of ionisation and ionisation constant- Degree  Continue Reading »

10 months ago
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