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प्रश्न
From the list given below, select the word(s) required to correctly complete the blanks (i) to (v) in the following passage:
Ammonia, Ammonium, Carbonate, Carbon dioxide, Hydrogen, Hydronium, Hydroxide, Precipitate, Salt, Water.
A solution ‘X’ turns blue litmus red so it must contain (i) ______ ions; another solution ‘Y’ turns red litmus blue and therefore must contain (ii) ______ ions. When solutions X and Y are mixed together, the products will be a (iii) ______ and (iv) ______. If a piece of magnesium was put into solution X, (v) ______ gas would be evolved.
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उत्तर
A solution ‘X’ turns blue litmus red so it must contain (i) hydronium ions; another solution ‘Y’ turns red litmus blue and therefore must contain (ii) hydroxide ions. When solutions X and Y are mixed together, the products will be a (iii) salt and (iv) water. If a piece of magnesium was put into solution X, (v) hydrogen gas would be evolved.
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संबंधित प्रश्न
Name the ion that turns blue litmus red.
Name the ions furnished by a weak alkali.
Name the ions furnished by bases in solution.
Give one example : A hydroxide which is insoluble in water.
The preparation of lead sulphate from lead carbonate is a two step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate.)
Write the equation for the reaction that will take place when this first step is carried out.
Fill in the blank.
An acid is a compound which when dissolved in water forms hydronium ions as the only ______ ions.
What is the term defined below?
A base which is soluble in water.
Identify the anion present of the following compound:
A salt M on treatment with concentrated sulphuric acid produces a gas which fumes in moist air and gives dense fumes with ammonia.
State the term defined by the following sentence:
The insoluble solid formed when two solutions are mixed together.
State your observation:
Zinc granule is added to copper sulphate solution.
