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The material is made up from nylon laminated with a PTFE / polyurethane membrane. The membrane is too fragile on its own hence why it is com...

For this question we will look at Sodium Sulphite (Na₂SO₃) and its titration against Potassium Permanganate (KMnO₄). This requires acidic conditions.

Nuclear Magnetic Resonance (NMR) is a spectroscopic technique used to detect certain nuclei in a molecule.

¹H and ¹³C are the most commonly identified nuclei , howev...

Reactivity increases down the group.

This is because the outer electron in each atom is further away from the nucleus as you go down the group and so the electrostatic forces between the ...

A dative covalent bond, or coordinate bond, is a bond where there is 1 pair of shared electrons between two atoms. The difference relative to a covalent bond is that in a dative covalent bond these electr...