Advertisements
Advertisements
प्रश्न
For the reduction of metal oxide, suggest a reducing agent other than carbon.
उत्तर
Aluminium (Al) can be used as a reducing agent for the reduction of a metal oxide. This is generally used for reducing metal oxides such as manganese dioxide MnO2.
APPEARS IN
संबंधित प्रश्न
State one use of Gold.
What is an alloy? Give two examples of alloys.
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.
The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.
What is it made from? Why?
Electric cables
With reference to the following metals state their use in daily life metal:
Lead
Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?
The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2. Which of the following is correct?
Metals are usually solids or gases at room temperature.
Silver and copper are very good conductors of electricity.