Question
What is the chemical formula for soda ash?
Solution
Soda ash, scientifically known as sodium carbonate, has the formula Na₂CO₃. It is used extensively in industrial processes including glass making and as a cleaning agent.
What will come in place of the question mark (?) in the following series?
63, 92, ?, 158, 195, 224
7, 9, 21, ?, 107, 197
- What will come in place of the question mark (?) in the following series?
1, 9, 35, 91, 189, ? 119 × 13 + 150/100 × 850 =?
380, ?, 360, 324, 260, 160
What will come in place of the question mark (?) in the following series?
112, 124, 138, 154, ?, 196
5, 12, 24, 36, 52, ?
8, ?, 29, 57, 113, 225
12, 33, 45, 78, 123, 201, ?
33, ?, 66, 82.5, 99, 115.5