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प्रश्न
Write the name and formula of a molecule made up of three atoms of oxygen.
उत्तर
Write the name and formula of a molecule made up of three atoms of oxygen.
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संबंधित प्रश्न
Iron is
(a) More reactive than zinc
(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium
Name the metal which has been placed at the bottom of the reactivity series.
What type of oxides are formed when metals combine with oxygen? Explain with the help of an example.
What happens when calcium reacts with chlorine? Write an equation for the reaction which takes place
What happens when magnesium reacts with very dilute nitric acid? Write an equation for the reaction involved.
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
Write the equation for the reaction of Zinc with dilute hydrochloric acid.
Name the products formed. Also indicate the physical states of all the substances involved.
Write a chemical equation to illustrate the use of aluminium for joining cracked railway lines.
Choose the correct alternative and rewrite the following:
Reaction of iron nails whith copper sulphate solution is an example of _____________________
Answer the following question:
An element X on reacting with oxygen forms an oxide X2O. This oxide dissolves in water and turns red litmus blue. State whether element X is metal or a non - metal. Explain with a proper example.
