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White phosphorus is a translucent white solid , is poisonous and insoluble in water. It glows in the dark (Chemiluminiscence). It is less stable and hence , more reactive. It is soluble in Carbon disulphide. Its molecular formula is P4. It is kept under water because it is highly reactive, and spontaneously combusts when exposed to the air. Hence, option B is correct.
Which of the following statements is INCORRECT?
If A and B are manually exclusive events such that P(A)P(B) > 0 , then which option is correct?
The six decile (D6 ) of 5, 3, 2, 6, 8, 4 is:
Which of the following satisfies the time and factor reversal test?
The sample sizes for two cases were 15 each with means as 104 and 114 respectively and variances as 200 and 510 respectively.
Let the null hyp...
The square of normal variate with mean 0 and variance 1 follows:
If r and R denote correlation and multiple correlation coefficient for the data set for X1, X2 and X3 . Which option is correct?
If each observation in a data set for number of employees in different divisions is doubled then the coefficient of quartile deviation:
