Options:
- A. Alkane
- B. Alkene
- C. Alkyne
- D. All have same
View Answer
C. Alkyne
Chemistry
Species are formed in one step of reaction mechanism and used up in another step are called:
Options:
- A. Catalyst
- B. Intermediate
- C. inhibitor
- D. activated complex
View Answer
B. Intermediate
The number of ions produced by [Pt(NH3)]Cl2?
Options:
- A. 4
- B. 2
- C. 3
- D. 5
View Answer
C. 3
Why does Ethyl Alcohol show high boiling point then Acetone?
Options:
- A. Due to Hydrogen bonding
- B. Due to high molecular weight
- C. Due to its Acidic nature
- D. Due to its Low molecular weight
View Answer
A. Due to Hydrogen bonding
A metallic atom loses its valence electron to form a/an _________?
Options:
- A. an anion
- B. a cation
- C. an anion
- D. none of these?
View Answer
B. a cation
The radio-active element used in heart pacemakers is ___________?
Options:
- A. Uranium
- B. Deuterium
- C. Plutonium
- D. Radium
View Answer
C. Plutonium
In electrolysis of NaCl the product obtained at cathode is_______.
Options:
- A. Sodium ions
- B. Chloride ions
- C. Both
- D. Remain at the bottom of the cell
View Answer
A. Sodium ions
In water, Hydrogen is present ________by mass.
Options:
- A. 22%
- B. 11.11%
- C. 31.13%
- D. 15.15%
View Answer
B. 11.11%
Compound containing two halogen atoms on two adjacent carbon atoms are called as ___________?
Options:
- A. Glycols
- B. Vicinal dihalides
- C. Geminal dihalides
- D. Diols
View Answer
B. Vicinal dihalides
Barret esophagus is good example of__________?
Options:
- A. Atrophy
- B. Dysplasia
- C. Metaplasia
- D. Hypertrophy
View Answer
C. Metaplasia