A. Enzymes
B. Nitrogenous bases
C. Carbohydrates
D. Lipids
0
Which of the following element doesnot show allotropy_________________?
0
Benzene is a good solvent for__________________?
A. Carbon
B. Arsenic
C. Nitrogen
D. Sulphur
0
If a graph is plotted between temperature on x-axis and volume on y-axis for 1 mole of gas then we get straight line which cuts the temperature exis at________________?
A. fats
B. resins
C. iodine
D. all the above
0
When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?
A. 0?C
B. 273.16K
C. ?273.16 K
D. ?273.16?C
0
The inhaled breath of diabetics patient contain acetone. A medical student wishes to test for diabetes by asking patient to bubble their breath through a reagent ?
A. phenol is unsaturated
B. 2-bromophenol is insoluble in water
C. a hydroxy group makes the benzene ring more susceptible to electrophilic attack
D. acid-base reaction
0
In the van der Waals equation (P + n2a / v2) (v – nb) = nRT which of the following statement is not true ?
A. alkaline aquenous iodine
B. aqueous bromine
C. Fehling solution
D. aqueous NaOH
0
Regular coiling or zigzagging of polypeptide through hydrogen bonding is its___________________?
A. n2a/v correct for the intermolecular forces.
B. nb correct for the volume occupied by gas molecules.
C. at high densities the equation reduces to the ideal gas law
D. all of the above statements are correct.
0
Which of the following is the formula of chrome red ?
A. Quantum structure
B. Secondary structure
C. Tertiary structure
D. Primary structure
0
Across short period the melting and boiling point increase upto __________________?
A. Pb3 O4
B. 2Pb CO3 – Pb (OH)2
C. Pb Cr O4 – Pb (OH)2
D. Pb2O
Download App