Related Questions

 100 cm3 জলীয় NaOH দ্রবণকে প্রশমিত করতে 100cm3  0.2M oxalic acid দ্রবণ প্রয়োজন। NaOH দ্রবণের মোলারিটি নির্ণয় কর।
A 0.4 M
B 0.3 M
C 0.2 M
D 0.1 M
0.04M অক্সালিক এসিডের (Oxalic Acid) 300ml দ্রবণ তৈরী করতে কি পরিমাণ অক্সালিক এসিড প্রয়োজন হবে?
A 1.08 gm
B 0.54 gm
C 0.75 gm
D 1.51 gm
The floor is rubbed with oxalic acid, for making its surface
A Free from voids
B Glossy
C Durable
D Uniform
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.
A Unsaturated hydrocarbon content
B Calorific value
C Quantity of propane
D Quantity of butane
a chemial is mixed 30 ml mixed , 10 ml is acid , how much ml of acid must be mixed such that a 50/50 mixure of water and acid is attend if no additional water is added
A 20
B 10
C 40
D 30
How many liters of a 90% of concentrated acid needs to be mixed with a 75% Solution of concentrated acid to get a 30 liter Solution of 78% concentrated acid?
A 8
B 6
C 7
D 9
The molecular mass of sulphuric acid is 98. If 49 g of the acid is dissolved in water to make one litre of solution, what will be the strength of the acid?
A Two normal
B One normal
C 0.5 normal
D Four normal
The largest natural number, which exactly divides the product of any four consecutive natural numbers, is :
A 6
B 12
C 24
D 120
A simple spring-mass vibrating system has a natural frequency of $${{\text{f}}_{\text{n}}}.$$ If the spring stiffness is halved and the mass is doubled, then the natural frequency will become
A $$\frac{{{{\text{f}}_{\text{n}}}}}{2}$$
B $$2{{\text{f}}_{\text{n}}}$$
C $$4{{\text{f}}_{\text{n}}}$$
D $$8{{\text{f}}_{\text{n}}}$$
What is the source of natural energy of the hot springs at Manikaran in Himachal Pradesh?
A Geothermal Energy
B Biomass Energy
C Thermal Energy
D Hydro Energy

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