What is ODS?

what are ODS?

What are ODS? Name the compound having maximum ODS.

ABCD is a rectangle. The diagonals AC and BD intersect at O. If AB = 32 cm and AD = 24 cm, then what is OD equal to ?

In the figure OA=sqrt(80) , OB=8, OC=sqrt(20) . What is the length of OD?

(a) What is the speed of sound in air at 0^@ C in miles per hour ? (b) What is the approximate value od speed of sound in air at 20^@ C in km/s ?

Sulphur reacts with chlorine in 1:2 ratio and forms X hydrolysis of X gives a sulphure compound Y. What is the hybridisation state od central atom in the compound?

Sulphur reacts with chlorine in 1:2 ratio and forms X hydrolysis of X gives a sulphure compound Y. What is the hybridisation state od central atom in the compound?