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The compound which does not have a double bond in its structure.
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The compound in its pure form turns into an ice like solid on cooling.
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The compound which is used for artificial ripening of fruits.
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Give a balanced equation for the following reaction:
Copper reacts with concentrated nitric acid.
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The ratio between the volumes occupied by 4.4 grams of carbon dioxide and 2 grams of hydrogen gas is ______.
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Aqueous lead (II) nitrate can be distinguished from aqueous zinc nitrate by adding any of the following solutions in excess, except:
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Identify the following:
A salt formed by the complete neutralization of an acid by a base.
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Draw the structural diagram for the following compound.
2,2 dibromo butane
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Pratik heated 11.2 grams of element ‘M’ (atomic weight 56) with 4.8 grams of element 'N' (atomic weight 16) to form a compound. Find the empirical formula of the compound obtained by Pratik.
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A student was asked to perform an experiment in the laboratory based on the instructions given:
Observe the picture given below and state one observation for the experiment you would notice on mixing the given solution.
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A student was asked to perform an experiment in the laboratory based on the instructions given:
Observe the picture given below and state one observation for the experiment you would notice on mixing the given solution.
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The structures of six organic compounds are shown:
|
A \[\begin{array}{cc} |
B \[\begin{array}{cc} |
C \[\begin{array}{cc} |
|
D \[\begin{array}{cc} |
E \[\begin{array}{cc} |
F \[\begin{array}{cc} |
- Identify two of the compounds that are members of the same homologous series but are not isomers.
- Which two compounds are isomers of each other?
- F can be prepared from D. Give a chemical equation for the reaction.
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You are supplied with five solutions: A, B, C, D and E with pH values as follows: A = 1.8, B = 7, C = 8.5, D = 13, and E = 5
Classify these solutions as neutral, slightly or strongly acidic and slightly or strongly alkaline.
Which solution would be most likely to liberate hydrogen with powdered zinc metal. Give a word equation for each reaction.
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From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
On treating with concentrated sulphuric acid, this salt changes from blue to white.
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From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
On heating, this salt changes from green to black.
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From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
This salt gives nitrogen dioxide on heating.
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The acid which contains four hydrogen atoms ______.
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Match the following in column A with the correct answer from the choices given in column B:
| Column A | Column B |
| 1. Ammonium hydroxide solution | (i) Contains only ions |
| 2. Dilute hydrochloric acid | (ii) Contains only molecules |
| 3. Carbon tetrachloride | (iii) Contains ions and molecules |
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Give a suitable chemical term for:
A salt formed by incomplete neutralisation of an acid by a base.
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Which one of the following will not produce acid with water?
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