Question
Which one of the following is commonly used for pulp
bleaching in the paper industry?Solution
Hydrogen peroxide is extensively used as a bleaching and oxidizing agent in the paper and pulp industry. Use of hydrogen peroxide helps to achieve a grade of brightness that is suitable for high-grade magazine papers, board, and tissue products.
More Chemistry GS Questions
1111.25 × 9.05 + 2323.23 × 9.05 – 2121.37 × 9.05 = ?
(11.75)2 - 49.99% of 120 - ? = (8.23)2
(√ (5475.5) + √ (1024.2)) - √ (4095.8) ÷ (√ (143.9) × √ (15....
? × [(16.87) 2 – (6.98) 2 ] = 5.04× 191.11
120.982-√675×5+1422.20÷9.02=?
[(5/9 of 719.87) + (59.73% of 450.31)] ÷ (√168.79 - 3/4 of 63.94) = ?
√624.98 - ? = √(62.30 + 13.99 – 2.93)
3245.69 + ? – 3112.48 = 2654.87 – 2412.92
44.89% of 600.25 + (29.98 × 5.67) + (√1940 – 10.29) = ?2
- 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.)
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