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ICSE-SOME BASIC CONCEPTS OF CHEMISTRY -NCERT TEXT-BOOK EXERCISES (WITH HINGS AND SOLUTIONS)
- What is the SI unit of mass? How is it defined?
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- Match the following prefixes with their multiples:
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- What do you mean by significant figures?
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- A sample of drinking water was found to be severely contaminated with ...
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- Express the following in the scientific notation: (i) 0.0048 (ii) 2...
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- How many significant figures are present in the following? (i) 0.002...
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- Round up the following upto three significant figures: (i) 34.216 ...
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- Fill in the blanks in the following conversions : (i) 1 km =...........
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- If the speed of light is 3.0 xx 108 m s^(–1), calculate the distance c...
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- In a reaction A+B(2) rarr AB(2) Identify the limiting reagent, if ...
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- Dinitrogen and dihydrogen react with each other to produce ammonia acc...
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- How are 0.50 mol Na(2)CO(3) and 0.50 M Na(2)CO(3) different?
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- If ten volumes of dihydrogen gas react with five volumes of dioxygen g...
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- Convert the following into basic units: (i) 28.7 pm (ii) 15.15 pm ...
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- Which one of the following will have the largest number of atoms? (i...
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- Calculate the molarity of a solution of ethanol in water, in which the...
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- What will be the mass of one""^( 12)C atom in g?
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- How many significant figures should be present in the answer of the fo...
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- Use the data given in the following table to calculate the molar mass ...
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- Calculate the number of atoms in each of the following (i) 52 moles of...
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