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- Atomic number means the number of …......... in an atom
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- Which allotrope of carbon is used as an solid lubricant?
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- Which among the following substances is used for bleaching?
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- Name the catalyst which reduces the decomposition of hydrogen peroxide...
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- Carbon atoms have the ability to combine with each other. By what name...
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- A neutralisation reaction is given NaOH + HCl rarr NaCl + H2O a) W...
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- A few facts regarding a gas is given. i) It is a poisonous gas ii)...
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- Reaction between metal and dilute acids are examples of displacement r...
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- When sodium and chlorine take part in bond formation, they attain octe...
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- From the given statements, select those suitbale for graphite. i) Is...
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- Hydrogen is an important fuel for future. a) What are the chemicals ...
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- Electronic configutation of elements P, Q and R are given. P= 2,1 ...
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- The electronic configuration of some elements are given. (Symbols are ...
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- Take 5mL of hydrogen peroxide (H2O2) solution in a test tube. Add som...
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- The equation of a neutralisation reaction is given below: Ca(OH)2 + ...
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- Three atoms are given: underset(11)\Na, underset(15)\P, underset(17)...
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- The colour of wet flower petals is found to fade when they are droppe...
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- pH values of certain substances are given. A=1, B=6, C=7, D=9, E=14 ...
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- Classify the given chemical reactions into combination,displacement,de...
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- Zn^0 + Cu^(2+) (SO4)2^(2-) rarr Zn^(2+) (SO4)2^(2-) + Cu^0 Analyse ...
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