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प्रश्न
Give two tests of the following:
NH3
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उत्तर
NH3 : It has a strong pungent smell and turns moist red litmus blue. It can also be tested by bringing a glass rod dipped in conc. HCl in contact with the gas, if the gas is ammonia then it will produce dense white fumes near the glass rod.
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संबंधित प्रश्न
Name a nitrate of metal which on heating does not give nitrogen dioxide.
Fill in the blank:
The catalytic oxidation of ammonia to nitric oxide is ------------. (exothermic / endothermic)
process.
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Dilute hydrochloric acid and dilute sulphuric acid. (Using lead nitrate solution)
Complete the following equations :
3 Cu + dil. HNO3
How does nitric acid formed in the atmosphere?
What is meant by the following term?
Aqua regia
Name the following:
A nitrate which has no water of crystallization.
State the effect of adding a small amount of : (a) sodium hydroxide (b) ammonium hydroxide followed by an excess in case to samples of the salt solutions.
Calcium nitrate [ small amount __________ in excess __________ ]
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)
Give a balanced equation for the following:
Oxidation of carbon with conc. nitric acid.
