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Differentiate between the following pairs based on the odourless gas which turns lime water milky and the criteria given:
Sulphuric acid and Nitric acid (using barium chloride solution)
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Arrange the following as per the instruction given in the bracket:
Sulphuric acid, Phosphoric acid, Acetic acid (increasing order of number of replaceable H atoms per molecule).
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Identify the following:
The element having electronic configuration 2, 8, 6.
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Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
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Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
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Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
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Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCI->}\]
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Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
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Complete and balance the following reaction, state whether dilute or cone. acid is used.
\[\ce{NH4OH + HCl->}\]
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Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
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1H2 is an isotope of hydrogen. In the modern Periodic Table it will ______.
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Identify the following:
A homogenous mixture of two or more metals or a metal and a non-metal in a definite proportion in their molten state.
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Draw the structural diagram for the following compound.
propanoic acid
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What property of Sulphuric acid is exhibited in the following case?
In the preparation of HCI gas when it reacts with Sodium chloride.
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You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Copper sulphate
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You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Sodium zincate
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You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Ferric chloride
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Give a balanced equation for the following:
Oxidation of carbon with conc. nitric acid.
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Name the alloy which is made up of Copper, Zinc and Tin.
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| Abhishek was given a salt ‘X’ which was white in colour for analysis. On strong heating, it produced a yellow residue, a colourless gas and also a reddish-brown gas. The solution of the salt ‘X’, when tested with an excess of ammonium hydroxide, produced a chalky white insoluble precipitate. |
- Name the coloured gas that evolved when Abhishek heated the salt strongly.
- Which cation was present in the sample given to Abhishek?
- Identify the salt given to Abhishek for analysis.
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