∠ BOC = 2480 Given that ∠ DBC = 2280 and BD = DC by property of chord angle at centre is twice of angle at circumference
Ultra-purification of metals is achieved using:
Which method is employed to separate minor quantities of multiple dissolved solids in a solution?
Which fossil fuel is formed under earth by the decomposition of vegetable matter lying under water by anaerobic bacteria in the absence of oxygen?
_____________ has the maximum attraction force between the molecules.
Which of the following reactions is a displacement reaction?
Which element is known as the 'King of Chemicals.
What is the common chemical used in blood banks as an anticoagulant and preservative?
A substance X turns the colour of red litmus blue, and it will change methyl orange-
Which of the following gas is used to fill balloons.
Which of the following is not the Ore of Aluminium?
