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An electric kettle has two coils. When o...

An electric kettle has two coils. When one of these is switched on, thje water in the kettle boils in 6 minutes. When the other coil is switched on, the water boils in 3 minutes. If the two coils are connected in series, the time taken to boil the water in the kettle is

A

strong acids produce better flame test.

B

HCl is volatile

C

Volatile metal chloride produce better flame test.

D

sharper coloured are seen in the flame in presence of `Cl^(-)` ions.

Text Solution

Verified by Experts

The correct Answer is:
C
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RESONANCE ENGLISH-QUALITATIVE ANALYSIS (ANION)-Exercise-1
  1. Which of the following metal carbonates liberate. CO(2)(g) on heating ...

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  2. In which of the following reactions a brown coloured gas is evolved ?

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  3. An electric kettle has two coils. When one of these is switched on, th...

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  4. The hottest part of the flame of a Bunsen burner is the

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  5. Metal (M) shows crimson red colour in flame test and its halide is del...

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  6. In Borax bead test, metal oxides react with B(2)O(3) and form a colour...

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  7. Which one of the following ions does not give borax bead test ?

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  8. Concrete is produced form a mixture of cement, water and small stones....

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  9. A salt gives white residue in charcoal cavity test but in cobalt nitra...

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  10. Which of the following anions are identified by dil. HCl :

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  11. Two inorganic compounds A and B were heated in a dry test tube. A evol...

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  12. On addition of cone. H(2)SO(4) to a chloride salt, colourless fumes ar...

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  13. Gas that turns lime water milky and aciddied K(2)Cr(2)O(7) green is...

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  14. A gas which turns lead acetate paper black.

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  15. Anion (X^(2-)) is :

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  16. At freezing point of a solution there is always

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  17. Sulphide ion reacts with [Fe(CN)(5)NO] to form a purple coloured compo...

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  18. Which of the following pair of anions are identified by conc. H(2)SO(4...

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  19. Which of the following anion behaves in a different manner than other ...

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  20. Which of the following reagents turns white precipitate of AgCl yellow...

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