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When electricity is passed through an aqueous solution of sodium Chloride (brine), it decomposes to form:
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
When electricity is passed through an aqueous (saline) solution of sodium chloride, it decomposes into which of the following:
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.
What product is formed when electricity is passed through an aqueous solution of sodium chloride?
Aqueous solution of following compounds electrolysed separately, Acetylene gas is obtained from:- (i) Sodium fumerate      (ii) Sodium maleate      (iii) Sodium succinate      (iv) Sodium acetate
Which of the following statements are true about washing soda? 1. Its chemical name is sodium hydrogen carbonate and its aqueous solution is basic in nature. 2. Its chemical name is sodium carbonate and the pH of its aqueous solution is more than 7. 3. It is used for raising of cakes while baking. 4. It is used for the removal of permanent hardness of water. Select the correct answer using the code given below:
Measurement of KLa in a bioreactor can be carried out by sodium sulfite oxidation method, that is, based on the oxidation of sodium sulfite to sodium sulfate in the presence of a catalyst (Cu++ or Co++). In a typical experiment, a laboratory fermenter was filled with 5 liter of 0.5 M sodium sulfite solution containing 0.003 M Cu++ ions and the air was sparged in. After 10 min, the air flow was stopped and a 10 mL sample was taken and titrated. The concentration of sodium sulfite in the sample was found to be 0.20 M. The oxygen uptake rate for this aerated system will work out to be
Which among the following statements is/are true? Exposure of silver chloride to sunlight for a long duration turns grey due to 1. the formation of silver by decomposition of silver chloride 2. sublimation of silver chloride 3. decomposition of chlorine gas from silver chloride 4. oxidation of silver chloride Select the correct answer using the codes given below.
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?