Acid and alkali reacts to form ______ and water.
salts
acids
alkalis
none-of these
Which helps in the production of energy in the human body?
Aldehydes
Hydrocarbons
Carbohydrates
Carboxylic acid
Reactions in which the hydrogen atom of the hydrocarbons are replaced by other atoms or group of atoms is called
Substitution
Addition
Combustion
Oxidation
What are the combustion products of a hydrocarbon?
CO2, H2O
CO, H2O
CO, H2O2
CO2, H2O2
The speed of esterification can be increased by adding
Concentrated H2SO4
Concentrated HCl
Concentrated CH3COOH
Concentrated HNO3
C5H12+Cl2 → C5H11Cl +HCl is an example of
Polymerisation
Cracking
Octyl acetate gives the smell of
Jasmine
Orange
Pineapple
Apricot
Glacial acetic acid is
100%
5-8%
95.6%
8-10%
The salts present in hard water are
Ca and Mg salts
Ca and Na salts
Ca and K salts
Na and K salts
Which enzymes are present in yeast?
Maltase,Zymase
Invertase,Maltase
Lactase, maltase
Invertase,Zymase
