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Which of the following solutions will conduct electricity? (i) Aqueous solution of glucose (ii) Aqueous solution of acetone (iii) Aqueous solution of acetic acid (iv) Aqueous solution of milk of magnesia
In what ratio should 30% potassium nitrate solution be mixed with 60% potassium nitrate solution to get result as 40% potassium nitrate in the solution? A. 2 : 1 B. 3 : 1 C. 1 : 3 D. 4 : 5
Which of the following statements about acids are correct? (i) All compounds containing hydrogen are acidic. (ii) Acids generate H+ ions in aqueous solution. (iii) Aqueous solution of acids change the colour of turmeric into red. (iv) Aqueous solution of acids conduct electricity.
An aqueous solution with chlorine 30 g/L and an organic compound with no chlorine at the rate 50 L/min were put into an extraction machine and produced aqueous solution with chlorine 5 g/L and organic compound with chlorine 10 g/L, what is the rate of aqueous solution?
A 60% spirit solution is mixed with r% spirit solution in the ratio 1 : 3 such that a s% spirit solution is obtained. When a (s/3)% spirit solution is mixed with 55% spirit solution in equal ratio, an (r/2)% spirit solution is obtained. Which of the following can be determined? (A) Value of ‘r’ (B) Value of ‘s’ (C) Volume of the 60% spirit solution mixed initially (D) If 9 liters of r% spirit solution was mixed initially, what was the volume of the s% spirit solution thus obtained?
If a crystal of potassium permanganate is kept in a beaker containing water, the water becomes pink after some time. What characteristic of matter is inferred through this observation?
Which of the following is/are true about Potassium Bromate? 1. Potassium bromate is a category 2B carcinogen. 2. Potassium bromate increases dough strength, leading to higher rising and uniform finish to baked products 3. Food Safety Standards Authority of India (FSSAI) permits them up to 50 parts per million.
A chemical solution appears green when the salt concentration is 8 grams per litre (gpl) and red when it is 10 gpl. Pure water was added to the solution of 1 litre of 15 gpl solution till it turned green. Then 125 ml of the green solution is taken out and x grams of salt is added to the green solution to make it red. Another 500 ml of the final solution was taken out and y litres of green solution is added to get a resultant solution of concentration 9.6 gpl.  Assume adding salt doesn’t change its volume and find the ratio of x and y. 
The alkaline Potassium Permanganate solution is known as
White light is passed through a dilute solution of potassium permanganate. The spectrum produced by the emergent light is