Options:
- A. Nitrosucrose
- B. Glucose+ fructose
- C. Oxalic acid
- D. Laevulinic acid
View Answer
A. Nitrosucrose
Chemistry
Alpha (?) particles are helium (He) nucleus with a charge of __________ ?
Options:
- A. e
- B. 2e
- C. 3e
- D. 4e
View Answer
B. 2e
Elements which emit natural radioactivity are known as __________ ?
Options:
- A. Radio elements
- B. Active elements
- C. Radioactive elements
- D. Nuclear elements
View Answer
C. Radioactive elements
A helium nucleus comprising of two protons and two neutrons with a charge of 2e is _________ ?
Options:
- A. Beta particle
- B. Gamma particle
- C. Alpha particle
- D. Negative particle
View Answer
C. Alpha particle
What is chemical symbol for Tungsten?
Options:
- A. Z
- B. T
- C. Tn
- D. W
View Answer
D. W
In SI base units, 1 Bq is equal to __________ ?
Options:
- A. 10 disintegration per second
- B. 1.5 disintegration per second
- C. 0.01 disintegration per second
- D. 1 disintegration per second
View Answer
D. 1 disintegration per second
The composition of
Options:
- A. PbCrO4
- B. PbI2
- C. As2Cr2O7
- D. BaCrO4
View Answer
A. PbCrO4
Chromatography is used to separate _________ ?
Options:
- A. Solution
- B. Mixtures
- C. Molecules
- D. Atoms
View Answer
B. Mixtures
When SO2 solution is passed over which of the following it turns green?
Options:
- A. K2Cr2O7
- B. H2SO4
- C. SO3
- D. P2O5
View Answer
A. K2Cr2O7
In a group, atomic radii increase due to successive increase of _________ ?
Options:
- A. Electronic shells
- B. Proton shells
- C. Neutron shells
- D. Nucleus
View Answer
A. Electronic shells