Related Questions

Nitric oxide
A Is important for brain function
B Is an autacoids
C Is concerned with receptive relaxation of the gut
D Originates from arginine
E Reduces renal blood flow
Nitric oxide causes
A Vascular smooth muscle relaxation
B Inhibition of bacterial replication
C Inhibition of tumour growth
D Increased leukocyte adhesion
E Increased platelet adhesion
নিম্নের কোন oxide টিকে উভধর্মী oxide বলে?
A CaO
B MgO
C ZnO
D CuO
Which metal oxide is an amphoteric oxide?
A iron
B aluminium
C sodium
D potassium
'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of
A N2 & H2
B CO2 & H2
C CO & H2
D C & H2
If Sabbir requires 5 minutes to make a box and Zoha requires 7 minutes to make a box, what will be the number of boxes made by Sabbir to the number of boxes made by Zoha if they work for 5 hours and 50 minutes?
A 5 to 6
B 7 to 5
C 5 to 7
D 6 to 5
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 )
Nitric acid does not react with
A Gold
B Copper
C Zinc
D Iron
Color of nitric acid is light yellow due to the presence of
A NO
B NO2
C N2H5
D NH3
Reaction of nitric acid and sulphuric acid with phosphate rock produces
A Nitrophosphate
B Diammonium phosphate
C Tricresyl phosphate
D Tributyl phosphate

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