Q.1.
In diamond, each carbon atom has connected to how many carbon atoms?
Q.2.
Which element is metalloid in groupelement
Q.3.
Compounds of boron with hydrogen are known as
Q.4.
What did Haber synthesis is for ?
Q.5.
How many valence electrons does groupelements have?
Q.6.
The inert pair effect increase when
Q.7.
Si2O7 is
Q.8.
Stable oxides of carbon are
Q.9.
Which of the following is a interstitial carbide
Q.10.
Al4C3 on hydrolysis give
Q.11.
Buckminster fullerene is
Q.12.
What is the nature of carbide of silicon
Q.13.
CO+N2 is
Q.14.
Sindoor is
Q.15.
Quartz is a crystalline variety of
Q.16.
Which of the following is not amphoteric
Q.17.
As we move down the group basicity of groupelements
Q.18.
As we move down the group thermal stability of groupelements hydrides
Q.19.
As we move down the group reducing character of groupelements
Q.20.
In groupelements as we move down the group electronegativity