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ARIHANT PUBLICATION JHARKHAND-SOLVED PAPER 2019-SECTION II: CHEMISTRY
- Bronze is an alloy of
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- ………..is an alloy used for welding electrical wires .
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- …………is a major componet of CNG .
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- For the hydrogenation of vegetable oils ……..is used as catalyst .
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- Dehydration of ethanol gives
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- ...... solution of acetic acid in water is called vinegar.
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- The melting point of pure ethanoic acid is
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- Esters react in the presence of acid or base to give alcohol and carb...
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- Properties of elements are periodic function of their
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- Modern periodic table has ...... periods.
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- Metalloids is
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- M-shell of chlorine contains ..... electrons.
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- Metal oxide + acid to X+water, X is
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- Hydronium ion is
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- pH of milk of magnesia is
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- The atmosphere of Venus is made up of thick white and yellowish clouds...
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- ………acid is present in tomato.
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- Aqueous solution of sodium chloride is called.
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- Bleaching powder is represented as
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- Recrystallisation of sodium carbonate produces
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