Chemistry

An alkene may be converted to an alkane by?

A. halogenation B. hydrolysis C. dehydration D. hydrogenation E. decomposition Correct Answer: Option D - hydrogenation

5 years ago

Producer gas is a mixture of?

A. oxygen and hydrogen B. Hydrogen and nitrogen C. nitrogen and oxygen D. nitrogen and carbon (ll) oxide E. hydrogen…

5 years ago

In which of the following pairs are both substances deliquescent?

A. CaCI2 and H2SO4 B. NaOH and MgSO4 7H2O C. CaCI2 and NaOH D. CuO and NaCI E. CaCO3 and…

5 years ago

Which of the following compounds of tin is a strong reducing agent?

A. SnCI2 B. SnCI4 C. SnO2 D. SnH4 E. Sn(OH)2 Correct Answer: Option D - SnH4

5 years ago

When the trioxonitrate (IV) salt of an alkali metal Y is heated, the formula of the residue is?

A. Y2O B. YNO2 C. Y2O3 D. Y (NO2)2 E. YO2 Correct Answer: Option B - YNO2

5 years ago

Examples of polymers include the following except?

A. starch B. nylon C. wool D. perspex E. glass Correct Answer: Option E - glass

5 years ago

Which of the following will not affect the degree of hardness in a sample of temporarily hard water?

A. Addition of washing soda B. Adding of soap C. Treatment with carbon exchange resin D. Filtration E. Distillation Correct…

5 years ago

The component of air that removed when air is bubbled into alkaline pyrogallol solution is?

A. carbon(lV) oxide B. oxygen C. water vapour D. nitrogen E. helium Correct Answer: Option B - oxygen

5 years ago

Which of the following substances is a peroxide?

A. Na2O2 B. CuO C. PbO4 D. Fe2O E. AI2O3 Correct Answer: Option A - Na2O2

5 years ago