Related Questions

মৃদু অম্ল ও মৃদু ক্ষারকের টাইট্রেশনে উপযুক্ত নির্দেশক কী? (What is the suitable indicator for the titration of weak acid with weak base?) 
A ফেনফথেলিন (Phenolphthalein)
B মিথাইল রেড (Methyl red)
C মিথাইল অরেঞ্জ (Methyl orange)
D কোনটিই না (None)
The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is
A Less
B More
C Same
D More/less depending on compressor capacity
নিচের কোন নির্দেশকটি কে HCl দ্বারা টাইট্রেশনের জন্য উপযুক্ত? (Which of the following indicators is suitable for the titration of with HCl?)
A মিথাইল অরেঞ্জ (methyl orange)
B ফেনফথেলিন (phenolphthalein)
C ফিনাইল অ্যামিন (phenyl amine)
D থাইমল ব্লু (thymol blue)
Leaching of phosphate rock by strong __________ acid produces phosphoric acid.
A Sulphuric
B Hydrochloric
C Either A or B
D Neither A nor B
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
A Nine times
B Six times
C Four times
D Two times
A triangle has a base x and an altitude y. A second triangle has a base twice the altitude of the first triangle, and an altitude twice the base of the first triangle. What is the area of the second triangle?
A 2xy
B 0.5xy
C 0.66xy
D 4xy
In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate
A Fully by direct bearing
B Fully through fastenings
C 50% by direct bearing and 50% through fastenings
D 75% by direct bearing and 25% through fastenings
Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ?
A Methylene blue
B Methyl red
C Phenolphthaline
D Methyl orange
Made weak by time and fate, but strong in will To strive, to seek, to find, and not to yield' is taken from the poem written by-
A Robert Browning
B Mathew Arnold
C Alfred Tennyson
D Lord Byron
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

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