Question
Which of the following metals does not liberate hydrogen
gas when reacted with cold water but does so with steam?Solution
Magnesium reacts very slowly with cold water, and the reaction may not be observable at room temperature. However, when heated with steam, magnesium reacts more vigorously, forming magnesium oxide (MgO) and hydrogen gas (H ₂ ). Reaction with steam: Mg (s) + H ₂ O (g) → MgO (s) + H ₂  (g)
For higher yield and better grain quality PR 124 and PR 126 transplanting should be done from
Soil colloidal particle shows the phenomena
The operation of pulsing is done for ____
Water use efficiency is highest for drip irrigation. What is the water use
efficiency for drip irrigation?
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Sunflower and buckwheat are examples of!
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Gluten is made up from?
