Advertisements
Advertisements
प्रश्न
Give the importance of the following for living beings:
Carbon
उत्तर
It is an important part of organic substances like fats, proteins, vitamins, carbohydrates, enzymes, and other things that living things need to grow and develop.
APPEARS IN
संबंधित प्रश्न
Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive metal.
Give the effect of heat on their: hydroxide
Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is a more reactive metal.
Give the effect of heat on their: carbonates
Name:
(b) two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen
What do you observe when hydrogen is passed over heated copper oxide?
On which factors does the purification of metals depend?
State two properties of brass that render it more useful for some purpose than its components.
Arrange the metals in (2) in the decreasing order of reactivity.
Aluminium is extracted from its chief ore, bauxite. The ore is first purified and then the metal is extracted from it by electrolytic reduction.
Write three balanced equations for the purification of bauxite.
Cassiterite is a copper ore.
In leaching of alumina from bauxite by Bayer's process, then ore is treated with ______.
