TACN CNTP

which one of the following groups of chemicals is not a food nutrient?

• proteins

• emzymes

• carbohydrates

• vitamins

which of the following statements is true about protein?

• proteins are made up of amino acids

• proteins are essntial for the development of skin, teeth and bones

• protein is the only nutrient that can build, repair and manintain body tissues

• all of them

which of the following are covered under proximate analysis of food?

• protein, carbohydrates, vitamins

• protein, carbohydrates, fats

• proteins, sugars, minerals

• fats, vitamins, minerals

......refers to how close a particular measure is to the true or correct value

• precision

• accuracy

• repeatability

• none of this

....in analy chemistry, the processes in which a representative piece of material is extracted from a larger amount and readied for analysis

• sample storage

• sample preservation

• sample collection

• sample preparation

a tiration is a technique used to

• determine the identity of an unknown substance

• dertermine the volume of an unknown substance

• dertermine the molarity of an unknown substance

• determine if an unknown substance is a soid, liquid, or gas

sampling is a viral process, as it is often the most variable step in the entire analytical procedure. Sampling refers to:

• sample collection

• sample preparation

• sample preservation

• sample storage

in food analysis, itis usually the food matrix that presents the greatest challengest challenge to the

• analysis

• analyst

• analytical

• analyte

the solution of accurately known strength is called the .... and it contains known weight of the solute in a definite volume of the solution

• standard solution

• sample solution

• unknown solution

• all of them

whichsentenceisfalse about Kjeldahl method?

• it is used to determine carbohydrate content

• it is used to determination of nitrogen

• it is originally invented by Johann Kjeldahl

• boric acid can be used as an absorption solution