A gas is liberated immediately with a brisk effervescence, when you add acetic acid to sodium hydrogencarbonate powder in a test tube. Name the gas and describe the test that confirms the identity of the gas.
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What were the main changes brought about by the Bolsheviks immediately after the October Revolution?
The main changes brought about by the Bolsheviks immediately after the October Revolution are listed below: The Bolsheviks were not in favour of any private property. Hence most industries and...
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A man is found dead on a Sunday morning. His wife calls the police immediately. The police question the wife and staff.
The answer is A man was murdererd! Maid murdered the man as she is speaking a lie that she was getting the post. As Post office doesn't work on Sunday; so she is...
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How will you test for the gas which is liberated when hydrochloric acid reacts with an active metal?
When an active rnetal like Zn reacts with HCl, the gas produced burns with a pop sound which indicates that it is hydrogen gas. Zn(s) + 2HCl(aq) -----> ZnCl2(s)+ H2(g)
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A man is found dead on a Sunday morning. His wife calls the police immediately.
Hi, The maid is the murderer in this case
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which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test the presence of this gas?
When a metal reacts with an acid, usually hydrogen gas is liberated. For example, zinc reacts with dilute sulphuric acid as follows: Zn H2SO4 -----> ZnSO4 + ...
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A metal compound A reacts with dilute hydrochloric acid to produce effervescence.
The gas that extinguishes a burning candle is carbon dioxide. It is formed by the action of dilute hydrochloric acid on a metal carbonate or metal hydrogen carbonate and produces...
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Generally, when metals are treated with mineral acids, hydrogen gas is liberated but when metals
It is because HNO3 is a strong oxidising agent. It oxidises the Hq produced to H2O and itself get reduced to any of the oxides of the nitrogen, like NO2, NO,...
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An organic compound 'X' of molecular formula C2H4O2 gives brisk effervescence with sodium bicarbonate. Give the name and formula of X.
'X' is ethanoic acid (an organic acid). 'X' --> CH3COOH CH3COOH + NaHCO3 -------> CH3COONa + CO2 + H2O Organic acid decomposes sodium bicarbonate and gives brisk effervescence of carbon dioxide gas.
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What were the main changes brought about by the Bolsheviks immediately after the October Revolution
The main changes brought about by the Bolsheviks immediately after the October Revolution are listed below: 1. The Bolsheviks were not in favour of any private property. Hence most industries and...
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Which gas is liberated when Calcium carbonate is reacted with dil acid ?
It reacts with dilute acid to liberate carbon dioxide. CaCO3 + 2HCl ----> CaCl2 + CO2 + H2O
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