Options:
- A. Hard water
- B. Heavy water
- C. Soft water
- D. Water gas
View Answer
B. Heavy water
Chemistry
The complete reduction carboxylic acid results in the formation of________________?
Options:
- A. Alkyne
- B. Alkene
- C. Alkane
- D. Alcohol
View Answer
C. Alkane
The organic acid that can be made from ethanol is_________________?
Options:
- A. Acetic acid
- B. Formic acid
- C. Butanoic acid
- D. Citric acid
View Answer
A. Acetic acid
Which of the following will not give addition reaction with NaHSO3________________?
Options:
- A. HCHO
- B. CH3CHO
- C. CH3-CH2-CHO
- D. None of the above
View Answer
C. CH3-CH2-CHO
Formaldehyde and lactose are combined to produce throat lozenges named as__________________?
Options:
- A. formamint
- B. lactomint
- C. aldomint
- D. formalactose
View Answer
A. formamint
Downs cell is used to prepare_________________?
Options:
- A. Sodium carbonate
- B. Sodium bicarbonate
- C. Sodium metal
- D. Sodium hydroxide
View Answer
C. Sodium metal
Nitrates of which pair of elements give different products on thermal decomposition ?
Options:
- A. Na K
- B. Mg Ca
- C. Li Na
- D. Li Ca
View Answer
C. Li Na
When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?
Options:
- A. Bromine
- B. Chlorine
- C. Fluorine
- D. Iodine
View Answer
D. Iodine
By which method the molecular mass of benzene was determined as 78.108 ?
Options:
- A. Specific gravity method
- B. Vapour density method
- C. X-ray diffraction method
- D. Distillation methos
View Answer
B. Vapour density method
Inner transition elements are called _________________?
Options:
- A. Lanthanides
- B. Actinides
- C. Rare earth metals
- D. All
View Answer
D. All