Categories
Physics

did you ever ——her?

A:  visit
B:  visited
C:  visiting
D:  Had visiting

Categories
Physics

As you sow, shall you ———–.

A:  riped
B:  Raped
C:  reaped
D:  reap 

Categories
Physics

the anomalous behavior of water is explained by :

A:  Covalent bounding
B:  Ionic bounding
C:  hydrogen bounding 
D:  Dipole-dipole intrection

Categories
Physics

water has the maximum density at:

A:  0.0C
B:  100.0C
C:  4.5C
D:  3.98OC

Categories
Physics

hydrogen burn with:

A:  golden yellow flame
B:  blue flame 
C:  Crimson flame
D:  green flame

Categories
Physics

Nascent hydrogen is more reactive than molecular hydrogen because:

A:  it is in atomic state
B:  of the lesser amount of its energy
C:  it is lighter in mass
D:  it is stable

Categories
Physics

the production of vegetable ghee from oils is an example of:

A:  Hydrogenation 
B:  Hydration
C:  Dehydration
D:  Dehydrogenation

Categories
Physics

Oxidation state of hydrogen NaH is:

A:  +1
B:  +2
C:  Zero
D:  -1

Categories
Physics

the most abundant compound of hydrogen is:

A:  Carbohydrate
B:  Water 
C:  Natural gas
D:  petrol

Categories
Physics

which one of the following metals is used to prepare hydrogen gas industrially:

A:  sodium (Na)
B:  Potassium (K)
C:  Calcium (Ca)
D:  Iron (Fe)