Related Questions

There are 87 balls in a jar. Each ball is painted with at least one of two colors, red or green. It is observed that 2/7 of the balls that have red color also have green color, while 3/7 of the balls that have green color also have red color. what fraction of the balls in the jar has both red and green colors?
A 6/14
B 2/7
C 6/35
D 6/29
তড়িৎ রাসায়নিক কোষের emf = ?i.E0Anodee(ox)+E0cathode(Red)ii.E0cathode(Red)-E0Anodee(Red)iii.E0Anodee(ox)-E0cathode(Red)কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
তড়িৎ রাসায়নিক কোষের emf = ?i. E° Anode(ox) + E°Cathode (Red) 11. E Cathode(Red) - E°Anode (Red) 111. E° Anode(ox) - E°Cathode (Red) নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
If white is called black, black is called red, red is called yellow, yellow is called green, green is called blue, blue is called violet and violet is called orange, what would be the colour of human blood?
A green
B black
C red
D yellow
It is an oxygen carrying protein of red colour concentrated in red blood cells.
A Insulin
B Haemoglobin
C Gastrin
D Actin
The Red soils develop a reddish colour due to ________
A Deforestation and over-grazing
B The presence of potash and magnesia
C Tropical monsoonal climate
D A wide diffusion of iron in ancient crystalline and metamorphic rocks
Blood is red in colour due to the presence of ________
A Cytochrome
B Chlorophyll
C Hemocyanin
D Haemoglobin
Red colour of blood is due to presence of
A Plasma
B Hemoglobin
C RBC
D WBC
Changing of colour of a rock into yellow or red is due to
A Hydration
B Oxidation
C Carbonation
D Exfoliation
নিচের কোনটির জলীয় দ্রবণে NH4SCN যোগ করলে রক্ত লাল বর্ণ দেখা যায়? (Which of the following aqueous solution shows blood red colour due to the addition of NH4SCN?)
A Ni2+
B Fe2+
C Cu2+
D Fe3+

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