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प्रश्न
Name two colourless metal ions.
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उत्तर १
Na+, Ca2+
उत्तर २
Potassium ion (K+), Sodium ion (Na+)
संबंधित प्रश्न
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ____________ ions (H+, h3O+, OH-)
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An amphoteric oxide
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
What do you understand by amphoteric oxide?
Give two examples of amphoteric hydroxides.
Name: Two bases which are not alkalis but dissolve in strong alkalis.
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
State your observation when zinc chloride solution, zinc nitrate solution, and zinc sulphate solutions are added individually to barium chloride solution.
Write balanced equations for a metal that evolves into a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
