Question

5. Give balanced equations for - i] A direct combination reaction involving two elements, one
of which is a non-metal ii] A thermal decomposition reaction involving heat on limestone
[calcium carbonate] iii] An electrolytic decomposition reaction involving a neutral liquid
iv] A displacement reaction involving a metal above hydrogen in the activity series with
copper (II) sulphate solution v] A double decomposition neutralization reaction involving
an acid & a base vi] A white precipitate obtained during a double decomposition reaction
involving a silver salt with a sodium salt.​

Answer 1

Explanation:

involving an acid & a base; A white precipitate obtained during a double decomposition reaction involving a silver salt with sodium salt.

Answer 2

Question:

Define pixel.

Answer:

The term "pixel" is actually short for "Picture Element." These small little dots are what make up the images on computer displays, whether they are flat-screen (LCD) or tube (CRT) monitors. The screen is divided up into a matrix of thousands or even millions of pixels.