Four number pairs are given, out of which three are alike in a certain manner and one is different. Choose the different number pair.
H – 3 = E, E + 1 = F, F – 2 = D L – 3 = I, I + 1 = J, J – 2 = H N + 3 = Q, O – 2 = O, O – 2 = M W – 3 = T, T + 1 = U, U – 2 = S
Which of the following is an example of a colloidal solution?
Why is commercial nitric acid typically yellow or brown in color?
Which of the following statement is/are true?
I. Atomic radius increases in moving from left to right along a period.
II. Atomic size...
Which is the best fire-extinguisher?
Which of the following is an example of a heterogeneous mixture?
The process of converting a solid directly into its vapor is called:
The product of the equivalent weight and valency of an element equals its ______.
Which element is commonly used in nuclear reactors for producing electricity by nuclear fission?
The percentage of nitrogen in urea is :
What are diatoms?
