Sulphuric Acid — Chemistry STD 10 — Question

The formula of an organic compound, which represents the arrangement of various atoms in one molecule in space is called ________ .[condensed formula/structural formula]

Choose the word or phrase from the bracket which correctly complete each of the following statement:
Metals are good ................. (oxidising agents/reducing agents) because they are electron ............. (acceptors/donors).

The water molecules easily break the __________ bonds between the oppositly charged ions. The ions drift in water in all possible directions and hence electrovalent compounds __________ in water.

If an element has seven electrons in its outermost shell then it is likely to have the ______ (largest/ smallest) atomic size among all the elements in the same period.

All metallic chlorides on heating with conc. ________ liberate hydrogen chloride gas. [nitric acid/sulphuric acid]

Addition of Tin to _______ lowers the melting point of alloy solder.

The catalyst used in the conversion of ethene to ethane is commonly _______ .

Dissolving of aluminium foil in HCl as well as NaOH shows that it is __________ in nature.

The acid which cannot act as an oxidising agent is ________. [Conc. H₂SO₄, Conc. HNO₃, Conc. HCl]

Elements liberated at the anode during electrolysis are said to be _______ .