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CBSE Questions

Total Questions 9982
Why do we need to conserve mineral resources ?
Describe the distribution of coal in India ?
How are minerals formed in igneous and metamorphic rocks ?
A bulb has filament.Does a CFL,tube light and a led bulb have filament?
What is the full form of WHO ?
what is SUM,average,min?
what is autumn?
name the two main gases present in air?
what is symmetry?
how to add 14444452.4562+5421578-12546312=?
what is the story of silkroute?
what are the steps to make construction of pinhole camera?
what is cartilage?
The absolute refractive indices of glass and water are 4/3 and 3/2 respectively. If the speed of light in glass is 2 x 10^8 m/s , calculate the speed of light in 1) vacuum 2) water
What is the significance of reproductive health in society? Name any two areas related to reproductive health which have improved over the past 50 years in our country.
CAN YOU EXPLAIN THE FUNCTIONING OF HEART
what is covalent bond ?
List two criteria of measuring the biodiversity of an area.
What is a cellophane?
The linear magnification produced by a spherical mirror is –1. Analysing this value state the (i) type of mirror and (ii) position of the object with respect to the pole of the mirror. Draw ray diagram to justify your answer