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A compound of X and Y has the empirical formula XY2. Its vapor density is equal to its empirical formula weight. Determine its molecular formula.
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Write balanced chemical equations to show The behavior of H2SO4 as an acid when it reacts with Magnesium
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Propane burns in air according to the following equation:
C3H8 + 5O2 → 3CO2 + 4H2O
What volume of propane is consumed on using 1000 cm3 of air, considering only 20% of air contains oxygen?
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Give a balanced chemical equation for Laboratory preparation of Nitric acid.
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Identify the term or substance based on the descriptions given below
Ice like crystals formed on cooling an organic acid sufficiently.
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Identify the term or substance based on the descriptions given below:
The property by virtue of which the compound has the same molecular formula but different structural formulae.
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Complete the following by selecting the correct option from the choices given:
The metal which does not react with water or dilute H2SO4 but reacts with concentrated H2SO4 is _________. (Al/Cu/Zn/Fe)
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Write balanced chemical equations for Action of hot and concentrated Nitric acid on copper
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State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.
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State your observations when Dilute Hydrochloric acid is added to Copper carbonate
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State your observations when Dilute Hydrochloric acid is added to Sodium thiosulphate.
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Equation for the reaction when compound A is bubbled through bromine dissolved in carbon tetrachloride is as follows:
\[\begin{array}{cc}
\ce{A ->[Br2/CCl4] CH2Br}\\
\phantom{.........}|\\
\phantom{.................}\ce{CH2Br}\\
\end{array}\]
- Draw the structure of compound A.
- State your observation during this reaction.
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A gaseous hydrocarbon contains 82.76% of carbon. Given that its vapor density is 29, find its molecular formula. [C = 12, H = 11]
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Name the gas evolved when the following mixtures are heated.
Sodium nitrite and ammonium chloride.
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State what would you observe when The salt ferric chloride is exposed to the atmosphere
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Identify the cations in the following case:
NaOH solution, when added to the Solution (A), gives a reddish brown precipitate
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Select from the list the gas that matches the description given in case
[ammonia, ethane, hydrogen chloride, hydrogen sulfide, ethyne]
This gas has a characteristic rotten egg smell.
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If the empirical formula of a compound is CH and it has a vapor density of 13, find the molecular formula of the compound.
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State one relevant observation for the following
When hydrogen sulfide gas is passed through lead acetate solution.
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The acid on mixing with silver nitrate solution produces a white precipitate which is soluble in excess ammonium hydroxide
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