food analysis-1

-----------------------------are soluble in 80% ethanol

• Monosaccharide

• Oligosaccharide

• Polysaccharide

• Trisaccharide

Carbohydrate attached to lipids are called as----------------------

• Chloestrol

• Glycerolipids

• Glycolipids

Anthrone reagent is----------------

• 9,10 dihydro-8-oxoanthracene

• 9,10 dihydro-9-oxoanthracene

• 9,1 dihydro-9-oxoanthracene

• 9,10 dihydro-9-anthracene

When polysaccharide is reacts with acid ----------------------------will happen

• Reduction

• Oxidation

• Dehydration

• Decomposition

•Compounds containing -----------------------carbon atom have ability to rotate the plane of polarization of polarized light.

• asymmetric

• symmetric

Specific gravity is called as

• Specific weight

• Relative density

• Density

• Terminal gravity

When electromagnetic radiation passes from one medium to another ,it change the direction,it is -------------------------

• absorbed

• transmitted

• refracted

• excited

Sodium D line

• 579 nm

• 589 nm

• 569 nm

• 559 nm

heavy metal salts ------------- form insoluble complexes that can be removed by filtration.

• lead acetate

• Cadmium

• Aresenic

• Chromium acetate

------------ method estimates the amount of total sugar in the sample

• Nelson somogyi method

• Lane eynon method

• Anthrone method

• Munson and walker method