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प्रश्न
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the reducing agent.
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उत्तर
Y [2, 8, 2] is the reducing agent.
संबंधित प्रश्न
State five uses of metals.
For the reduction of a metal oxide, suggest a reducing agent other than carbon.
Write ‘True’ or ‘False’ in front of following statement.
Magnesium is used in making light weight alloys of aluminium.
State two important uses of following metal.
Uses of copper
State two important uses of following metal
Uses of tin
State the position of the following in the periodic table:
Aluminium
When a copper coin is dipped in silver nitrate solution, a glitter appears on the coin after some time. Why does this happen? Write the chemical equation.
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A white crystalline solid which decrepitates on heating leaving a residue which fuses with the glass and evolves two gases one of which is coloured and acidic.
Halogen reacts with acid.
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.
