Action of water or dilute mineral acid on metals can give
Zinc and cold dil.HNO3 reacts to produce
Which of the following gas is insoluble in water
When some amount of zinc is treated separately with excess of sulphuric acid and axcess of sodium hydroxide solution the ratio of ..
Which is used as hydrogen generators
Which one of the following substances is used in the laboratory for fast drying of neutral gases
Reaction of PCl3 and PhMgBr would give
The ease of adsorption of the hydrated alkali metal ions on an ion-exchange resins follows the order :
Pb reacts with dilute HNO3 gives
Moderate electrical conductivity is shown by
One of the elements present in carnallite shows flame colouration. The colour of the flame is
The sequence of ionic mobility in aqueous solution is :
The function of "Sodium pump" is a biological process operating in each and every cell of all animals. Which of the following biol..
In curing cement plasters water is sprinkled from time to time. This helps in
Aluminium is extracted by the electrolysis of
The reaction of P4 with aqueous NaOH gives
CO is poisonous gas, antidote for CO poisoning is
Which is the anhydride of nitric acid ?
Most powerful reducing agent is
Lithium shows diagonal relationship with
Sodium carbonate is manufactured by
The most electropositive element in alkali metals, is
What product is formed on heating lead nitrate?
The most stable hydride is
The starting material used in Solvay\s process is
Dry ice is
Buckminster-fullerene is a variety of
Which of the following is tetrabasic acid ?
Which has the smallest size ?
The treatment of Cu with dilute HNO3 gives
Solid N2O5 is
Shine at freshly cut sodium is because of
Quartz is an example of
The basic structural unit in silicates is
When KI is added to acidified solution of sodium nitrite then
Correct formula of aluminium nitride is
Which of the following does not contain silicon?
Sodium pyrophosphate is represented by which of the following formula ?
concentrated hydrochloric acid when kept in open air
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