PART 1 23. Which reaction represents an acid base neutralization reaction? B. Na
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PART 1 23. Which reaction represents an acid base neutralization reaction? B. NaOHHHO+Nao C. Ba(OH)2 +2L?C? ? BaCla + 2L?OH 24. How can a small contained fire be extinguished most easily? A. Use a fire extinguisher B. Use water C. Call the instructor D. Smother the fire with a small container (i.e., a beaker) e calorimeter is a device frequently used for measuring the heats of reactions. We perform experiments to determine the calorimeter constant because . calculating reaction enthalpies require the calorimeter heat capacity C. the reaction enthalpy change, AHns, is an extensive property, but not a state function all reactions absorb heat from the surroundings D. the temperature probe requires calibration 26. 6 drops of 4.0 M NaOH solution was mixed with 44 drops of water. What is the molarity of the diluted mixture? A. 29.3 M B. 0.545 M C. 0.480 M D. 33.3 M 27. When 0.800 grams of NaOH is dissolved in 100.0 grams of water, the temperature of the solution increases from 25.00 °C to 27.06 °C. The amount of heat absorbed by the water is (The specific heat of water is 4.18 Jg.C.) A. 86 B. 168 C. 681 D. 960 28. Which of following solution will change to blood red color when adding SCN- into it? A. Ba B. Mg2 C. Pb D. Fe E. Zn+Explanation / Answer
answer 23. d)
Neutralisation Reaction is a Reaction in which an a base neutralises an acid and vice versa, to form a salt and water.
4th option is a neautralisation reaction.
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