To obtain pure carbon(ii)oxide from its mixture with carbon(iv)oxide, the mixture should be?
To obtain pure carbon(ii)oxide from its mixture with carbon(iv)oxide, the mixture should be? A. Passed over … Read More
Chemistry
The most important element on the earth’s crust is?
The most important element on the earth’s crust is? A. Nitrogen B. Hydrogen C. Oxygen D. … Read More
Aluminum hydroxide is used in the dyeing industry as a?
Aluminum hydroxide is used in the dyeing industry as a? A. Dye B. Dispersant C. Salt … Read More
An electron can be added to a halogen atom to form a halide ion with?
An electron can be added to a halogen atom to form a halide ion with? A. … Read More
Proteins in acid solution undergo?
Proteins in acid solution undergo? A. Substitution B. Fermentation C. Hydrolysis D. Polymerisation Correct Answer: Option … Read More
When cathode rays are deflected onto the electrode of an electrometer, the instrument becomes?
When cathode rays are deflected onto the electrode of an electrometer, the instrument becomes? A. Bipolar … Read More
The chlorinated alkane often used industrially to remove grease is?
The chlorinated alkane often used industrially to remove grease is? A. Tetrachloromethane B. Chloromethane C. Trichloromethane … Read More
What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen?
What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen? A. 8.0g … Read More
The substance often used for vulcanization of rubber is?
The substance often used for vulcanization of rubber is? A. Chlorine B. Hydrogen peroxide C. Sulphur … Read More
Which of the following types of bonding does not involve the formation of new substances?
Which of the following types of bonding does not involve the formation of new substances? A. … Read More