Question & Answer

QUESTION

The compound whose 1 M solution is basic is

ANSWER

The aqueous solution of aluminium chloride is acidic due to

In order to prevent the spoilage of potato chips they are packed in plastic bags in an atmosphere of

When NaCl is dissolved in water the sodium ion becomes

Three beakers labelled as A B and C each containing 25 mL of water were taken A small amount of NaOH anhydrous CuSO4 and NaCl were added to the beakers A B and C respectively It was observed that there was an increase in the temperature of the solutions contained in beakers A and B whereas in case of beaker C the temperature of the solution falls Which one of the following statements isarecorrect i In beakers A and B exothermic process has occurred ii In beakers A and B endothermic process has occurred iii In beaker C exothermic process has occurred iv In beaker C endothermic process has occurred

carbon & its compounds

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