Which is the densest gas?

The process of accumulation of gas or liquid molecules on the surface of a solid is known as

Which is the king of poison?

Gas which causes the fading of colour of Taj Mahal is ?

The most stable form of carbon is ____________.

Which substance is used for making pencil lead?

Which scale is used to measure the hardness of a substance?

Which is the second hardest substance in nature?

Which of the following element has the highest melting point?

Which of the following element is found in all organic compounds?

The compound of boron having similar structure like benzene is

The acid used in eye wash is ________

യഥാർത്ഥ ലായനിയുമായി ബന്ധപ്പെട്ട പ്രസ്താവന തിരഞ്ഞെടുക്കുക.

താഴെ പറയുന്നവയിൽ ലോഹങ്ങളുടെ സവിശേഷത അല്ലാത്തത് ഏത് ?

1. ലോഹങ്ങൾക്ക് ഇലക്ട്രോനെഗറ്റിവിറ്റി കൂടുതൽ ആണ്.

2. രാസപ്രവർത്തനത്തിൽ പങ്കെടുക്കുമ്പോൾ ലോഹങ്ങൾ ഇലക്ട്രോണുകളെ വിട്ടുകൊടുക്കുന്നു.

3. ലോഹങ്ങളുടെ അയോണീകരണ ഊർജം കുറവാണ്.

ശരിയായ ഉത്തരം തിരഞ്ഞെടുക്കുക.

Metal present in large quantity in Panchaloha?

Little silver ?

Which is the best conductor of electricity?

The metal which has very high malleability?

Chemical formula of plaster of paris:

Production of Sodium Carbonate ?

Production of Nitric acid is

Ore of Mercury ?

Metal known as Quick silver ?

The impure iron is called

The gas which turns milk of lime, milky

The metal which was used as an anti knocking agent in petrol?

The metal which is used in storage batteries?

The element having maximum number of isotopes?

Malachite is the ore of----------------

The first metal used by man was_________.

Which metal is present in insulin?

Which of the following metal is called "metal of future"?

White paints are made by the oxides of which metal?

The atomic number for titanium is _________

The compound of potassium which is used for purifying water?

The most reactive metal is _____

The aluminium compound used for purifying water

Alloy of aluminium which is widely used in Aircraft construction

The manufacturing process of Aluminium

From which mineral is the metal Aluminium obtained from?

The metal present in Chlorophyll is ?

The element which is known as 'Chemical sun'

The most abundant element in the atmosphere is :

The most abundant element in the universe is:

The radioactive isotope of hydrogen is ___________.

The isotope used in carbon dating is

Isotope was discovered by

In tthe periodic table, the valence shell electronic configuration of 5s²5p4 corresponds to the element present in:

The electronic configuration of halogen is

The group number and period number respectively of an element with atomic number 8 is.