The systematic name of sucrose is_______?
A. 1-α-D- glucopyranosyl-2-β-D-fructopyranoside B. 11-α-D-glucopyranosyl-2-β-D-fructofuranoside C. 1-α-D- glucofuranosyl-2-α-D- fructopyranoside D. 1-β- D- glucofuranosyl-2-α- D- fructofuranoside
Chemistry MCQs
Treatment of sucrose with conc. HNO3 gives__________?
A. Nitrosucrose B. Glucose+ fructose C. Oxalic acid D. Laevulinic acid
Alpha (α) particles are helium (He) nucleus with a charge of __________ ?
A. e B. 2e C. 3e D. 4e
Elements which emit natural radioactivity are known as __________ ?
A. Radio elements B. Active elements C. Radioactive elements D. Nuclear elements
A helium nucleus comprising of two protons and two neutrons with a charge of 2e is _________ ?
A. Beta particle B. Gamma particle C. Alpha particle D. Negative particle
In SI base units, 1 Bq is equal to __________ ?
A. 10 disintegration per second B. 1.5 disintegration per second C. 0.01 disintegration per second D. 1 disintegration per second
Chromatography is used to separate _________ ?
A. Solution B. Mixtures C. Molecules D. Atoms
In a group, atomic radii increase due to successive increase of _________ ?
A. Electronic shells B. Proton shells C. Neutron shells D. Nucleus
Distance at which attractive forces of hydrogen overcome repulsive forces is __________ ?
A. 75.2pm B. 75.3pm C. 75.5pm D. 75.4pm
Quantum numbers are __________ ?
A. Arithmetical values B. Numerical values C. Leometric values D. Logical values