Prior to a sports event blood & urine sample of sports persons are collected for drug tests.
Why is there a need to conduct such tests.

Prior to a sports event blood & urine sample of sports persons are collected for drug tests. Write the generic names of two plants from which these drug are obtained.

Sports persons are frequently accused of abusing the drug known as

Why do sports person often fall to a victim to cocaine addition?

Pragya tested the solubility of three different substances at different temperatures and collected the data as given below (results are given in the following table, as grams of substance dissolved in 100 grams of water to form a saturated solution). What mass of potassium nitrate would be needed to produce a saturated solution of potassium nitrate in 50 grams of water at 313 K ?

These questions consist of two statement each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is a correct explanation of the Assertion. B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion: Dope test is used to estimate the level of blood alcohol by analyzing the breath of persons drinking alcohol. Reason. A drunken person usually feels tense and less talkative.

These questions consist of two statement each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is a correct explanation of the Assertion. B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion: Dope test is used to estimate the level of blood alcohol by analysing the breath of persons drinking alcohol. Reason. A drunken personusually feels tense and is less talkative.

Why is the amount of gas collected in one of the test tubes in activity1.7 double of the amount collected in the other?name this gas.