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Why is a boiling water bath preferred to a Bunsen flame for heating up the mixture of glucose solution and Benedict's solution?
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What is the boiling point of glucose dissolved in water?
If 180g glucose is present in one litre of solution then boiling point is 100.52 Celsius.
What is boiling point of 1 molar glucose solution?
A 1 molar solution by definition is 1 mole of something, in this case glucose, in 1 liter of solution. The molecular weight of something can be found on the perdiodic table. The weight listed on the periodic table is the grams in a mole, these of course are for atoms. 12 H + 6 C +6O + 188.1558 grams in a mole of glucose. Put this weight into one liter of water.
Would glucose solution produce a positive Benedicts test?
No, Benedicts reagent will show positive results if the carbohydrate is a reducing sugar. You will know if it is positive if the sample will turn from blue to green then to orange when you are cooling the solution, which is the last step when you are performing the benedicts test for carbohydrates.
What nutrient is the preferred energy source for the body?
Glucose is the preferred energy source.
What is preferred monosaccharide of the mitochondria?
Glucose is used in it. It is the fuel of mitochondria
What is benedicts solution used to find?
Glucose
What color is benedicts solution when mixed with bread?
because it contains glucose
What are the Benedicts test results for glucose?
the solution will turn a 'brick red' colour if positive but will stay blue if negative.
What is the boiling point of a 2.0 molal solution of glucose?
The boiling point is 101 oC.
What does Benedicts reagent do?
It tests for glucose.
What is the boiling point of glucose dissolved in water?
If 180g glucose is present in one litre of solution then boiling point is 100.52 Celsius.
If benedicts reagent turns red what substance is present?
the sugar glucose
What tests are used to test for the presence of starch and glucose?
for the starch iodine test is performed in which the starch reacts with iodine to produce dark blue colour which confirms the presence of starch. for glucose benedict's and fehling's test is performed. benedict's test: 1 ml sample is mixed with 1 ml of benedicts solution and the heated upto boiling if the colur changes to brick red then it confirms the presence of glucose fehling's test: similarly 1 ml fehling's solution I & fehling's solution II each in taken together and to it 1 ml of the sample is takenon then heated uptill boiling. if the colour changes to brick red the it confirms the presence of glucose.
Why is the glucose solution boiled first before adding the yeast suspension?
The glucose solution is boiled then allowed to cool before you add the yeast because boiling water will kill the yeast.
Which solution would elevate the boiling point of water the most MgF2 glucose KNO3 KBr?
MgF2
Compare the boiling and freezing points of 1m solution of glucose to a 1m solution of Cacl2. Why does CaCl2 have a higher boiling and a lower freezing Please explain not just say its 1m and then 3m?
Boiling and freezing points are colligative properties, meaning they depend on the number of solute particles dissolve in solution. Glucose is a molecular compound so it is one particle dissolved in solution. CaCl2 will dissociate into three particles in solution. There are three times as many particles present in solution when CaCl2 dissolves.
What chemical would you use to test food for glucose?
A fairly simple test is using clinistix- these are used for diabetes testing and available in any chemists, just dip them into any solution thought to contain glucose and they will turn from pink to purple (there are other colours available though)
