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प्रश्न
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution drop wise till it is in excess.
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उत्तर
A chalky white precipitate is formed, which is soluble in excess of sodium hydroxide and forms a colourless solution.
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संबंधित प्रश्न
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ____________ ions (H+, h3O+, OH-)
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give a balanced equation.
Name the metal hydroxides which are:
Sparingly soluble
In caustic soda solution
Name the metal hydroxides which are soluble in caustic soda solution.
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
Name a metallic hydroxide soluble in excess of NH4OH.
Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al2O3 / Al / Al(OH)3]
Choose the correct answer from the options given below :
Metal + alkali → salt + _________
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
