ഹൈഡ്രജന്റെ ഐസോട്ടോപ്പ് അല്ലാത്തത് ഏത്?

Micro plastics are pollutants of increasing environmental concern. They have a particle size of less than

റഫ്രിജറേറ്ററുകളിൽ ഉപയോഗിക്കുന്ന വാതകം

കാറുകളിൽ ഉപയോഗിക്കുന്ന എയർബാഗുകളിൽ സുരക്ഷ നൽകുവാൻ ഉപയോഗിച്ചിരുന്ന സോഡിയം സംയുക്തം

ചന്ദ്രൻ എന്നർത്ഥമുള്ള മൂലകം ?

What is the melting point of lead ?

ഹൈഡ്രജൻ ഓക്സിജനിൽ കത്തുമ്പോൾ ജലം ഉണ്ടാകുന്നു എന്ന് കണ്ടെത്തിയത് ആരാണ് ?

Quantised Lattice vibrations are called :

IUPAC name of glycerol is

The pH of a solution of sodium hydroxide is 9. What will be its pH when more water is added to this solution ?

What is the colour of the precipitate formed when aqucous solution of sodium sulphate and barium chloride are mixed ?

Which type of reaction takes place when an iron is dipped in a solution of copper sulphate?

Dehydrogenation of isopropyl alcohol yields

Which of the following is known as regenerated fibre ?

The monomer unit present in natural rubber is

The molarity of sodium hydroxide solution prepared by dissolving 4 g in enough water to form 250 ml of the solution is

Which of the following does not disturb the equilibrium point ?

Bleaching powder is prepared by passing chlorine through

Cinnabar is an ore of

Radioactivity was discovered by

The systematic nomenclature of element having atomic number 115 is

The shape of XeF4 molecule is

Chemical substances which are capable of killing microorganisms but are not safe to be applied to living tissues is

The octane number of isooctane is

Among the following species which one is an example of electrophile ?

Among the following, which is the hydrogen acceptor?

Which among the following is a micronutrient ?

Orbital motion of electrons accounts for the phenomenon of:

The angular momentum of an electron in an orbit is quantized because it is a necessary condition according to :

Atomic packing factor of the body centered cubic structure is :

Hybridisation of carbon in methane is

An element which does not exhibit allotropy

Organomagnesium compounds are known as

Global warming occurs mainly due to increase in concentration of

Minamata disease is caused by _____ poisoning.

The main source of aromatic hydrocarbons is

Bakelite is formed by the condensation of phenol with

The temperature above which a gas cannot be liquified by applying pressure, is called

Electrolysis of fused salt is used to extract

Emission of light as a result of chemical reaction is

Isotonic solution have the same

In Wurtz reaction, the metal used is

Peroxide effect is also known as

Temporary hardness of water is due to the presence of _____ of Ca and Mg.

മനുഷ്യനിർമ്മിത പെട്രോളായി ഉപയോഗിക്കുന്നത് എന്ത് ?

താഴേ പറയുന്നവയിൽ കൃത്രിമ സിൽക് എന്നറിയപ്പെടുന്നത് ഏത് ?

ജിപ്സം എത് ലോഹത്തിന്റെ ധാതുവാണ് ?

'Drinking Soda' is ... in nature.

A modern concept of Galvanic cella :

Who invented Electron?