Which gas contributes most to the Greenhouse effect?
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The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 2nd group and the 4th period?
What is the chemical name of chalk?
____________ is a cold desert lying in the Great Himalayas.
Group of Monuments at Pattadakal is in
In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Not allowing fluid to pass-through.
The surface area of a sphere is 1386 cm2. Find its diameter (in cm)
In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE