Chemistry X | Metals and Non-metals | Physical properties of Metals
Physical properties of Metals The easiest way to start grouping substances is by comparing their physical properties. Let us study…
Physical properties of Metals The easiest way to start grouping substances is by comparing their physical properties. Let us study…
Chapter – 3 Metals and Non-metals In Class IX you have learnt about various elements. You have seen that elements…
Are the Crystals of Salts really Dry? Activity 2.15 Heat a few crystals of copper sulphate in a dry boiling…
Chemicals from Common Salt By now you have learnt that the salt formed by the combination of hydrochloric acid and…
pH of Salts Activity 2.14 Collect the following salt samples – sodium chloride, potassium nitrate, aluminium chloride, zinc sulphate, copper…
Family of Salts Activity 2.13 Write the formulae of the salts given below. Potassium sulphate, sodium sulphate, calcium sulphate, magnesium…
Importance of pH in Everyday Life Are plants and animals pH sensitive? Our body works within the pH range of…
HOW STRONG ARE ACID OR BASE SOLUTIONS? We know how acid-base indicators can be used to distinguish between an acid…
What Happens to an Acid or a Base in a Water Solution? Do acids produce ions only in aqueous solution?…
WHAT DO ALL ACIDS AND ALL BASES HAVE IN COMMON? In Section 2.1 we have seen that all acids have…