Question 511
Which of the following varies with change in temperature?
Question 512
Which of the proportion of the element is a whole number ?
Question 513
An alloy is ?
Question 514
In known elements , the maximum number is of ?
Question 515
The isotopes of chlorine with mass number 35 and 37 exist in the ratio of ?
Question 516
The most abundant metal in earth crust is?
Question 517
The product of equivalent weight and valency of an element is equal to ?
Question 518
Diamond is ?
Question 519
Which of the following is mixture ?
Question 520
Reverse of swelling of gel is known as?