Explain how can you distinguish chemically between starch

Assignment Help Chemistry
Reference no: EM13133344

1) How can you distinguish chemically between starch and three other carbohydrates (sucrose, glucose, & lactose)?

2) What would you expect to observe when adding one drop of iodine-potassium iodine reagent to each of the four carbohydrates?

3) How does Benedict's Reagent distinguish between carbohydrates?

4) When adding 5 drops of Benedict's reagent to 2 mL each of the above four carbohydrates and setting the test tubes in a hot water bath for 1-2 minutes, would you expect to see any color change and if so, what color and in which ones?

Reference no: EM13133344

Questions Cloud

Calculate the amount of the accumulated earnings tax : Grevilla Gerporation is a manufacturing company. The corporation has accumulated earnings of $950,000, and it can establish reasonable needs for $400,000 of that amount. Calculate the amount of the accumulated earnings tax (if any) that Grevilla C..
Distinguish managerial accounting from financial accounting : Distinguish managerial accounting from financial accounting. Include a brief discussion of the differences in the types of information provided to users as well as the differences of the users of the accounting information.
First-out method used to cost inventories : The cost of the 500 units in process at the end of the period in the first-in, first-out method is used to cost inventories was which of the following:
Calculate the wavelength : Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 4 state to the n = 1 state.
Explain how can you distinguish chemically between starch : How can you distinguish chemically between starch and three other carbohydrates (sucrose, glucose, & lactose)? What would you expect to observe when adding one drop of iodine-potassium iodine reagent to each of the four carbohydrates?
Is there any profit built in to the value of work in process : Is there any profit built in to the value of Work In Process Inventory? Isn't WIP simply the costs incurred on the goods and any progress billings received would be shown as deferred income - until completion?
What information would you be interested in upon reviewing : what is the basic difference between the statement of cash flows vs. all the other financial statement that you have learned to prepare?
How many moles of na+ are needed : if 2000 l of hard water contains 0.022 m ca2+ and 0.0070 m mg2+, how many moles of na+ are needed to replace these ions?
The lion and the unicorn-socialism and the english genius : George Orwell, the author of The Lion and the Unicorn: Socialism and the English Genius. “The Lion and the Unicorn: Is an essay that expressing his opinions on the British leadership crisis in World war II.

Reviews

Write a Review

Chemistry Questions & Answers

  What is the theoretical yield of aluminum oxide

What is the theoretical yield of aluminum oxide if 1.60 mol of aluminum metal is exposed to 1.50 mol of oxygen?

  What is the molar concentration of the ammonia

If 17.9 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia.

  Calculate the boiling point of a saturated solution

Sodium chloride has solubility in water at 100.0°C of 39.1 g sodium chloride per 100 g of water. Calculate the boiling point of a saturated solution of sodium chloride in water.

  Determine how much mixture should be drained

The % of antifreeze should be raised to twenty five percent by draining some of the mixture and adding 100% antifreeze determine how much mixture should be drained?

  Water solubility under normal atmospheric conditions

Determine water solubility under normal atmospheric conditions (assuming that Carbon dioxide obeys Henry's law?)

  What is the specific heat capacity of the metal

A piece of metal of mass 20 g at 99?C is placed in a calorimeter containing 55.8 g of water at 23?C. The final temperature of the mixture is 30.4?C.

  What fraction of the time will the current be turned on

An oil bath maintained at 50.5 oC loses heat to its surroundings at the rate of 4.68 kJ/min. Its temperature is maintained by an electrically heated coil with a resistance of 60 operated from a 110 V line.

  How much heat is required

How much heat is required to warm 12.0 g of ice, initially at -11.0 C, to steam at 113.0 C?

  Explain carbon and silicon belong to the same group

Carbon and silicon belong to the same group and are known to have similar properties. Do you think that silicon can replace the role that carbon

  How many moles of na3c6h5o7 can be produced

How many moles of Na3C6H5O7 can be produced if one tablet containing 0.0164 mol of NaHCO3 is dissolved?

  Calculate what the limiting reactant

Calculate what the limiting reactant is in the reaction between copper (II) oxide and hydrochloric acid

  What is the molar heat of vaporization of benzene

The vapor pressure of benzene (C6H6) is 120 torr at 27.0C, and its normal boiling point is 80.1C. What is the molar heat of vaporization of benzene.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd