The oxidation number of carbon in CH3 - CH₂OH is _______________.

The mass of an atom of nitrogen is _______________.

The formula weight of ethanol (C₆H₅OH) is ____________.

Give an example of molecule in which the ratio of the molecular formula is six times the empirical formula.

If a beaker holds 576g of water, what will be the gram molecules of water in that beaker?

One mole of Sulphuric acid contains _______oxygen atoms

Statement I: an Equivalent mass of Mg is  determined by Oxide Method
Statement II: Molecular mass is calculated using vapour density

1 amu =  _____________.

Which among the following statement(s) describe an element?
i) It is a pure substance which could be split into two or more simpler substance.
ii) It is a pure substance which cannot be split into simpler substance
iii) It's composition is not uniform
iv) All the above

Identify the incorrect statement about a compound.

Match the list I with List II and select the correct answer using. the code given below the lists.

The change in the oxidation number of S in H₂S and SO₂,in the following industrial reaction:
2H₂S_(g) + SO_2(g) \(\longrightarrow\) 3S_(s) + H2O_(g)

Which of the following is/are true with respect to carbon -12 ?

What is the mass of precipitate formed when 50 ml of 8.5 % solution of AgNO₃ is mixed with 100 ml of 1.865 % potassium chloride solution ?

If Avogadro number were changed from 6.022 x 10²³ to 6.022 x 10²⁰, this would change ______.

Match the list-I with list-II and select the correct answer using the code given below the lists.

Among the three metals, zinc, copper and silver, the electron releasing tendency decreases in the following order.

Fe2 + \(\longrightarrow\) Fe³⁺ + e^- is a ________ reaction.

When 22.4 litres of H₂(g) is mixed with 11.2 litres of Cl₂(g), each at 273 K at 1 atm the moles of HCl (g), formed is equal to ______.

An element X has the following isotopic Composition ²⁰⁰X = 90%, ¹⁹⁹X = 8% and ²⁰²X = 2%. The Weighted average atomic mass of the element X is closest to _________.