What is the atomic number of Niobium?

Similar Questions

Which of the following halogens is solid at room temperature? ...

To obtain pure carbon (II) oxide from its mixture with carbon (IV) oxide, the mixture should be ...

Some copper (ll) sulphate pentahydrate (CuSO4 5H2O), was heated at 120 oC with the following results...

The cleansing effect of soap is low in acidic water because of ...

When 50cm3 of a saturated solution of sugar (molar mass 342.0g) at 40oC was evaporated to dryness, 3...

In which of the following is the oxidation number of sulphur equal to -2? ...

Which of the following is used in the manufacture of bleaching powder? ...

The colour of phenolphthalein indicator in dilute HNO is ...

A piece of metal (M) is dissolved in nitric acid and the resulting solution is treated with a small ...

The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an ex...