EASY
Earn 100
What is relative error?
Important Questions on Introduction to analytical chemistry
HARD
Students and measure the length of a room using long measuring tape of least count meter-scale of and a foot-scale of respectively. If the specified length of the room is then which of the following students will report the lowest relative error in the measured length?
EASY
Among the following, the correct statement is :
EASY
How many significant figures are there in each of the following numbers?
EASY
The answer of the calculation in significant figures will be
EASY
The number of significant figures in is:
EASY
How many significant figures are there in each of the following numbers?
EASY
The number has significant figures equal to
EASY
How many significant figures are there in each of the following numbers?
EASY
In which of the following numbers all zeros are significant?
EASY
How many significant figures are there in each of the following numbers?
EASY
The length, breadth and thickness of a metal block is given by cm, , cm. The volume of the block is (according to significant figures)
EASY
What is the number of significant figures in
(i) Avogadro’s number () and (ii) Planck’s constant (J s)?
EASY
How many significant figures are there in each of the following numbers?
HARD
In the final answer of the expression
the number of significant figures is :
EASY
How many significant figures are there in each of the following numbers?
EASY
How many significant figures are there in
(a) (b) and (c) ?(respectively)
EASY
How many significant figures are there in each of the following numbers?
MEDIUM
Let Z, so the number of significant figures in Z is -------.
EASY
Express the following in the scientific notation:
HARD
The answer of the calculation in significant figures will be
