Question
In which type of chemical reaction do crystals of
ferrous sulphate lose water on heating and the colour of the crystals changes from light green to white?Solution
On heating, ferrous sulphate crystals lose water and anhydrous ferrous sulphate (FeSO4) is formed. The reaction is called Decomposition reaction.
Find the wrong number in the given number series.
16, 24, 36, 54, 81, 120.5
- 2024, 1583, 1193, 822, 498, 209
33Â Â Â Â 34Â Â Â 37Â Â Â 42Â Â Â 48Â Â Â 58
66, 115, 34, 155, 14, 211
360, 322, 286, 248, 220, 190
- Find the wrong number in the given number series.
7, 35, 42, 126, 128, 118 - Find the wrong number in the given number series.
2, 6, 14, 30, 62, 126 Find the wrong number in the given number series.
134, 163, 194, 231, 274, 315
125, 142, 199, 320, 489, 778
Find the wrong number in the given number series.
32, 48, 84, 146, 248, 392