Write three uses each of wood charcoal and sugar charcoal.
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Gun - powder contains 75% nitre, 10% sulphur and the rest of it is charcoal. Find the quantity of charcoal in 8 kg of gun-powder.
One gram of charcoal adsorbs 400 " mL of " 0.5 M acetic acid to form a mono layer and the molarity of acetic acid reduced to 0.49. Calculate the surface area of charcoal adsorbed by each molecule of acetic acid. The surface area of charcoal is 3.01xx10^(2)m^(2)g^(-1) .
1 g charcoal is placed in 100 mL of 0.5 M CH_(3)COOH to form an adsorbed mono-layer of acetic acid molecule and thereby the molarity of CH_(3)COOH reduces to 0.49 . Calculate the surface area of charcoal adsorbed by each molecule of acetic acid. Surface are of charocal =3.01xx10^(2)m^(2)//g .
Why is wood charcoal a better fuel than wood?
ICSE-TEST PAPER-2 (CHAPTER 6 TO 9 )-Answer the following in detail
