[A] White light consists of seven colours. When the light disperses, various bands of light are clearly visible with White light consists of seven colours.
[A] White light consists of seven colours.
When the light disperses, various bands of light are clearly visible with White light consists of seven colours.
Which of the following statement is correct about constituents of white light based on above observations?
[A] White light consists of seven colours. When the light disperses, various bands of light are clearly visible with White light consists of seven colours.
[A] White light consists of seven colours.
See lessWhen the light disperses, various bands of light are clearly visible with White light consists of seven colours.
What happens when copper rod is dipped in iron sulphate solution?
[D] Only (iv) Iron is more reactive than copper. Hence, Cu will not displace iron from iron sulphate and no reaction will take place.
[D] Only (iv)
See lessIron is more reactive than copper. Hence, Cu will not displace iron from iron sulphate and no reaction will take place.
Identify “X” and “Y” in the following reaction: Cu + “x” HNO₃ → Cu(NO₃)₂ + “y” NO₂ + 2H₂O
[A] 4 and 2 By equating the number of atoms both sides, the balanced equation will be: Cu + 4HNO₃ → Cu(NO₃)₂ + 2NO₂ + 2H₂O
[A] 4 and 2
See lessBy equating the number of atoms both sides, the balanced equation will be:
Cu + 4HNO₃ → Cu(NO₃)₂ + 2NO₂ + 2H₂O