Question

Ex# 18 Write a Factual Recount of a 9 years old boy who died of electrocution
during rainy season.

Answer 1

Explanation:

An acid will react with a metal to form a salt and hydrogen gas. The general word equation for the reaction between an acid and a metal is as follows:

acid + metal → salt + hydrogen.

The reaction of an acid with a metal:-

diatomic

density

characteristic

presence

chemist

pharmacist

Reaction of hydrogen and oxygen:-

The reaction between a tiny amount of hydrogen and oxygen in the air produces a characteristic 'pop' sound and this serves as test for the presence of hydrogen. You can watch the short video clip in the visit box in the margin to see this 'pop'.

Answer 2

Explanation:

Answer:

Walekumusalam !!

Here is ur Answer : ⤵

Motor : It is a device that converts electrical energy into mechanical energy.

The working of an electric motor is based on Fleming's Left Hand Rule. When an electric motor is kept in a magnetic field and current is drawn through the motor, it begins to rotate in the direction given by Fleming's Left Hand Rule.

Explanation:

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