Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.
E + 3 = H, H + 3 = K, K + 3 = N K + 4 = O, O + 3 = R, R + 3 = U S + 3 = V, V + 3 = Y, Y + 3 = B N + 3 = Q, Q + 3 = T, T + 3 = W
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?