Chloroform : • Chloroform is a colourless, volatile, liquid derivative of trichloromethane with an ether-like odour. • The primary use of chloroform is in industry, where it is used as a solvent and in the production of the refrigerant freon • The molecular formula is CHCI3.
110, 119, ?, 193, 274, 395
10,14,26,42,70,?
18.003 × 3.99 × (135.003 ÷ 26.97) – (15.001 × 3.94) = ?
4097, ?, 4359, 4493, 4629, 4767
Find the missing character.
44 45 41 50 ? 59 23
...[(145)² ÷ 25 × 52] ÷ ? = 29 × 13
2 3 5 9 ? 33
...120, 115, 120, 135, 160, ?
123, 122, 114, 87, ?, -102