Related Questions

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
Drug causing increased uric acid level is:
A Colchichine
B Levofloxacin
C Pyrazinamide
D Steroid
The gas causing acid rain in an industrial area is
A Carbon dioxide
B Carbon monoxide
C Sulphur dioxide
D Methane
In a mixture of 30 liters, the ratio of acid and water is 7 : 3. How much more water is to be added to get a new mixture containing acid and water in the ratio of 3 : 7?
A 30 liters
B 25 liters
C 40 liters
D 35 liters
নিম্নের কোন পরীক্ষাটি সালফিউরিক এসিড ও নাইট্রিক এসিডের মধ্যে পার্থক্য করতে ব্যবহার করা যায়? (Which one of the following tests can be used to distinguish between sulphuric acid and nitric acid?
A সার্বজনীন নির্দেশক দিয়ে পরীক্ষা। (Test with universal indicator)
B সোডিয়াম কার্বনেট গুড়া যোগে। (Addition of sodium carbonate powder)
C ম্যাগনেশিয়াম ফিতা যোগে। (Addition of magnesium ribbon)
D বেরিয়াম নাইট্রেট দ্রবণ যোগে। (Addition of barium nitrate solution )
সাইট্রিক এসিড থেকে আইসোসাইট্রিক এসিড উৎপন্নের জন্য কোন এনজাইমের প্রয়োজন? (Which enzyme is required to produce isocitric acid from citric acid?)
A একোনাইটেজ (Aconitase)
B হেক্সোকাইনেজ (Hexokinase)
C ইনোলেজ (Enolase)
D অ্যালডোলেজ (Aldolase)
In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following
A One part H2O, three parts H2SO4
B Two parts H2O, two parts H2SO4
C Three parts H2O, one part H2SO4
D All H2SO4
__________ acid is an unsaturated fatty acid.
A Palmitic
B Oleic
C Stearic
D Oxalic

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