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Let the total distance be 12 km and speed be 12 km/hr Time taken to cover 12 km with the speed of 12 km/hr = 1 hr According to the question New distance = 12/3 = 4 km New time = 3 × 1 = 3 hrs New speed = 4/3 km/hr ∴ Ratio of new speed to original speed = 4/3:12 = 1:9
Whose experiments supports Abiotic synthesis?
A substance X turns the colour of red litmus blue, and it will change methyl orange-
Which of the following glass absorbs ultraviolet rays which are harmful for the eyes?
What is Blue vitriol chemically known as?
Identify the thermodynamic process in which no heat exchange occurs with the surroundings.
Which gas has the highest solubility in water?
Which material is used as a moderator in a nuclear power plant that slows down the neutrons and makes them fit for causing fission?
Which element commonly found in water is linked to cancer risks?
The chemical name of 'baking soda' is:
As an air bubble rises from the bottom of a lake to the surface, it will:
