Options:
- A. formaldehyde
- B. acetaldehyde
- C. propanone
- D. carbondioxide
View Answer
D. carbondioxide
Chemistry
Which one of the following is also known as tartaric acid ?
Options:
- A. 2 3-dihydroxy butance 1 4 -dioic acid
- B. 2 3 -dihydroxy butanedioic acid
- C. 2 3 -dihydroxy butanioc acid
- D. 2 2 -dihydroxy butanoic acid
View Answer
A. 2 3-dihydroxy butance 1 4 -dioic acid
Borax is a white crystalline solid and it is_________________?
Options:
- A. More soluble in cold water
- B. More soluble in hot water
- C. Insoluble in water
- D. Soluble only in organic solvents
View Answer
B. More soluble in hot water
The metal which is used in thermite process because of its activity is____________________?
Options:
- A. iron
- B. copper
- C. aluminium
- D. zinc
View Answer
C. aluminium
Allotropic form of phosphorus that is poisonous is___________________?
Options:
- A. White
- B. Red
- C. Black
- D. Violet
View Answer
A. White
Which one of the following is not the use of graphite ?
Options:
- A. Lead pencils
- B. Abrasive
- C. Lubricant
- D. Electrode of electrolytic cell
View Answer
B. Abrasive
Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?
Options:
- A. Cl2O
- B. ClO2
- C. Cl2O6
- D. Cl2O7
View Answer
B. ClO2
Which of the following oxides of iodine is used for quantitative analysis of CO ?
Options:
- A. I2O4
- B. I4O2
- C. I2O5
- D. All are equally useful
View Answer
C. I2O5
Which of the following will be acidic_____________?
Options:
- A. propyne
- B. 1-butyne
- C. ethyne
- D. all of the above
View Answer
D. all of the above
Removal of halogen and hydrogen atom is_________________?
Options:
- A. halogenation
- B. dehalogenation
- C. dehydrohalogenation
- D. hydrohalogenation
View Answer
C. dehydrohalogenation