Which of the following is not alum:-

The maximum noise level at which a man can work for 8 hours is:-

Zero group elements are called as:-

polyacrylamide gel is:-

A freshly prepared solution of glucose has a specific rotation of + 110° but on keeping for some time it changes to +52.7°. The phenomenon is known as:-

Which substances act as gaseous pollutants:-

Which gaseous molecule is non linear:-

Acid rai caused due to increase in the concentration _____ in the atmosphere:-

Which of the following properties is explained by the electron gas model:-

Solid sodium chloride does not conduct electricity because in solid NaCl there is no_____:-

Inert pair effect is shown by:-

The juice is allowed to boil at lower temperature to protect the sugar from___:-

The organisms which synthesize all of their biomolecules directly from carbon dioxide are called:-

Which are physical method for ore concentration:-

The unit of sound pressure level is:-

Which carbohydrates makes the terminal residue in O substances - the mother antigen of ABO blood group substances:-

Which element is not artificial:-

A theoretical plate is represented by how many equilibrium steps:-

Oxalic acid solution is a _____ solution:-

Which halide of Cesium will be highly ionic:-

The type of column in which the liquid stationary phase is coated on the unmodified smooth inner wall of the tube is called:-

Select an acidic amino acid:-

The organisms which obtain their energy from sunlight are called:-

Cytochrome oxidase carries which prosthetic group in addition to haeme group:-

Which of the following is oxidized by monoamine oxidase:-