Question
Phenol reacts with zinc dust
gives:Solution
When phenol is distilled with Zn-dust, it gives benzene. it is an example of reduction. Phenol loses one O atom.
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exactvalue.)
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
31.98% of 224.99 = 24.98% of ? + 9.91% of 499.99Â
157.78% of 4820 + 92.33% of 2840 = ? + 115.55% of 1980
The average of 5 positive integers was initially computed as 30. However, it was discovered later that an error had occurred duri...
Solve the following expression and calculate the approximate value.
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
[(2/3 of 899.79) + 25% of 500.21] × (√195.77 + 30.03% of 399.79) = ?
75.01 + 344.923 - 179.93 = ?3 of (√678 + 3.89)
26.23 × 31.82 + 44.8% of 1200 + ? = 1520
