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प्रश्न
Write the name and formula of a molecule made up of three atoms of oxygen.
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उत्तर
Write the name and formula of a molecule made up of three atoms of oxygen.
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संबंधित प्रश्न
Write equations for the reactions of iron with steam.
Write equations for the reactions of calcium and potassium with water.
Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).
Complete and balance the following equation:
Na2O + H2O →
Describe the reaction of potassium with water. Write the equation of the reaction involved.
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
The metals which can produce amphoteric oxides are:
(a) sodium and aluminium
(b) zinc and potassium
(c) calcium and sodium
(d) aluminium and zinc
An element E forms an oxide E2O. An aqueous solution of E2O turns red litmus paper blue.
(a) What is the nature of the oxide E2O?
(b) State whether element E is a metal or a non-metal.
(c) Give one example of an element like E.
State and explain the reaction, if any, of the following metals with a solution of copper sulphate:
(a) Gold
(b) Copper
(c) Zinc
(d) Mercury
Find the odd one out:
