Test for Sulphuric Acid
Trending Questions
Q.
What happens when barium chloride solution is added to sodium sulphate solution?
- No reaction
- White precipitate is formed
- Pale yellow acid is formed
- Hydrogen chloride is formed
Q.
The white precipitate formed by the reaction of sulphate salt and barium chloride is insoluble in HCl.
True
False
Q.
How glucose is prepared from cane sugar? Write the formula.
Q. Calcium carbonate reacts with hydrochloric acid to form calcium chloride and hydrogen gas.
- True
- False
Q.
Why we dont store lemon pickle in an aluminum utensil? Explain.
Q. Q.In chlor alkali process, why NaOH is near cathode why it is not near anode?
Q. What happens when concentrated sulphuric acid is added to glucose?
- Water is removed from glucose.
- No reaction takes place.
- SO2 gas is evolved.
Q. Precipitate (Q) was treated with dil. HCl and coloured solution was obtained. On passing H2S gas into this solution no precipitate was obtained but colour of the solution changes, then cation present in the precipitate (Q) can be identified by :
- Na2S2O3 solution
- KI+starch
- K4[Fe(CN)6]
- All
Q. Assertion :In a procedural modification of cobalt nitrate test, 2-3 drops of nitric acid & 2-3 drops of cobalt nitrate solution are added to the residue of charcoal cavity. A thin strip of filter paper is dipped in the solution & burned in non-luminous part of the flame. Different cations give ash of characteristic colors. Reason: Ash test is done in a similar way.
- Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
- Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
- Assertion is correct but Reason is incorrect
- Both Assertion and Reason are incorrect
Q. The sample is dissolved in hot con. HCl and add few drops of NH4OH followed by dimethyl glyoxime soln. We get a precipitate. Guess the colour of the precipitate.
- Orange
- Purple
- Blue
- Rosy red
