The most reactive among the halogens is
1). Fluorine
2). Chlorine
3). Bromine
4). Iodine
The fundamental particles present in the nucleus of an atom are
1). Electron proton
2). Proton neutron
3). Neutron electron
4). Neutron positron
Domestic cooking gas consists mostly of
1). methane and ethane
2). liquefied butane and isobutane
3). hydrogen and acetylene
4). ethylene and carbon monoxide.
KMN04 can be used as a an
1). insecticide
2). fertiliser
3). pesticide
4). disinfectant
The drugMarijuanais a
1). sedative
2). mental stimulant
3). hallucinating substance
4). tranquillizer