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Al2O3 is an amphoteric oxide....

`Al_2O_3` is an amphoteric oxide.

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CHETANA PUBLICATION-MAS_01-EXERCISE
  1. Write whether the following statements are true or false, if false can...

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  2. State whtether the following statement are true or false. Mecanical en...

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  3. Al2O3 is an amphoteric oxide.

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  4. Find the odd man out: Chloride, nitrate, hydride, ammonium

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  5. Write the correlated terms . Sodium : (2,8,1) :: chlorine :: ………..

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  6. Name the following Unit used in industry to measure power.

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  7. Motion is relative.

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  8. An exploding fire cracker lights as well as makes a sound.

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  9. Blue coloured copper sulphate crystals become colourless n heating.

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  10. Solve the following examples: If the energy of a ball falling from a ...

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  11. Deduce the number of molecules in the compound in the given quantity. ...

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  12. Explain the following reactions with the help of balanced equations: ...

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  13. Calculate the potential difference across a 7 Omega resistor carrying ...

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  14. Draw the symbol fo voltmeter and state its use.

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  15. Measure the distance between points A and B in different ways as shown...

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  16. Now measure the distance along the dotted line. Which distance is corr...

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  17. Every morining, Swaralee walks round the edge of a circular field havi...

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  18. If a car, starting from point P, goes to point Q (see figure) and then...

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  19. Point out the mistakes in the figure given below.

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  20. How will the compounds, MgCl2 and CaO be formed from their elements?

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