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प्रश्न
Fill in the blanks:
Metals react with acids to produce _________ gas.
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उत्तर
Metals react with acids to produce hydrogen gas.
संबंधित प्रश्न
Name an alloy of lead and tin.
Why is hydrogen placed with alkali metals?
Write name.
The device used for grinding an ore.
Write name.
The nonmetal having electrical conductivity.
When a copper coin is dipped in the solution of silver nitrate, it shows a lustre on its surface. Explain this process with the help of a chemical equation.
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
- Na
- Ca
- Fe
- Cu
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
Compare the conductivity of metals and non–metals.
The metals which are found in both free state as well as combined state are ______.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
Metal atoms tend to have a maximum of ______ electrons in the outermost shell.
