Advertisements
Advertisements
प्रश्न
Give balanced chemical equation for the reaction of water with Sodium .
Advertisements
उत्तर
\[\ce{sodium + \underset{\text{(cold)}}{Water}->[heat]sodium hydroide +Hydrogen}\]
\[\ce{2Na +2H2O->2NaOH + \underset{\text{(cold)}}{H2(g)}}\]
APPEARS IN
संबंधित प्रश्न
Give reason for Silica gel pouches are kept in unused water bottle.
Give balanced chemical equation for the reaction of water with Sodium oxide.
Name the gas produced when steam is passed over hot coke.
Use of excessive .................... by farmers causes water pollution.
Give balanced chemical equations to show the reaction between Magnesium and water.
Name a ‘pure form’ and an,‘impure form’ of water in the natural state.
Fill in the blank:
Unpolluted water has _____ amount of dissolved oxygen.
______ plays a vital role in the evolution and survival of life.
Among the given options, which one is not correct for the use of large amounts of fertilisers and pesticides?
Match Column I with Column II
| Column I | Column II | ||
| (a) | Ground water | (i) | Solid form of water |
| (b) | Bawri | (ii) | Wastage of water |
| (c) | Snow | (iii) | Water management |
| (d) | Drip irrigation | (iv) | Small water |
| (e) | Leaking taps | (v) | Water table |
