Electric current is measured by?
The dynamo is a device for converting?
Galvanised Iron sheets have a coating of
The hardest substance available on earth is
Washing soda is the common name for
Which of the following days is observed as ‘World Ozone Day’?
Scientists have found the best evidence yet for water just beneat the surface of Europa. Europa is the icy moon
of which of the following planets?
Which of the following is not a plantation crop?
Which of the following is not a non-metal ?
The biggest living mammal is
The pH of pure water is
Which of the following is used to make bread soft ?
Function of dynamo is to
Anaemia is caused due to lack of which of the following material in body ?
When a beam of sun light is passed through a prism, it is seen in how many colours ?