The left atrioventricular valve is called ______

How many sets of valves are present in the heart?

Deep vein thrombosis is usually happens in_____

Non-infectious diseases are not caused by.......

Which Of the following blood vessels carries the deoxygenated blood?

Mosquitoes lay their eggs in.....

The rate of transpiration is almost zero at....

Transpiration supplies water for.....

Chemical bonding occurs only by transferring valence electrons between the atoms involved in the bond.

In a diamond,carbon atoms form a regular tetrahedral network resulting in a giant structure.

The strength of metallic bonding increases with the increasing size of metal ions in the lattice.

Iron rusting is an endothermic and spontaneous reaction.

The rate of catalysed reaction is faster than that of uncatalysed reaction.

The kinetic energy of a gas is inversely proportional to the temperature m

If the external factors are altered, the system will shift to a new state of equilibrium.

If the Keq value is small ( Keq << 1 ), the equilibrium lies to the left and there are more reactants than products.

The VSEPR theory is the most useful for predicting the ___ of molecules.

Nitrogen oxide, NO is a ___ covalent molecule.

Automobile engine transforms chemical energy into ___ energy m

Enthalpy change is the heat change accompanying a chemical reaction at constant ___.