IGCSE

In chemistry and manufacturing, electrolysis is a technique that uses direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction. Electrolysis is commercially important as a stage in the

In chemistry, a transition metal (or transition element) is a chemical element in the d-block of the periodic table (groups 3 to 12), though the elements of group 12 (and

The field can be viewed as the combination of an electric field and a magnetic field. The electric field is produced by stationary charges, and the magnetic field by moving

Scoring 90 percent in mathematics requires dedication, consistent effort, and a strategic approach. Here are some tips to help you improve your math skills and achieve your goal: Understand the

A mixture is separated using the apparatus shown. What is the mixture? A aqueous copper chloride and copper B aqueous copper chloride and sodium chloride C ethane and methane D

Please note that these questions cover a wide range of topics in O level Chemistry and can be used for practice and review.

Which metal would be suitable for all of the following uses? • making aircraft bodies • making food containers • making overhead power cables

A permanent magnet is made from metal and an electromagnet uses a metal core. Which metal is suitable for each of these purposes?

The study of light and the interaction of light and matter is termed optics. The observation and study of optical phenomena such as rainbows and the aurora borealis offer many

Thermal properties of materials refer to the response of materials to changes in their temperature and to the application of heat. As a solid absorbs energy in the form of

Word problems provide a bridge between abstract mathematical concepts and their practical application in real-life situations. They help students understand the relevance and

In the age of antiquity, when civilizations were young and the mysteries of the cosmos were yet to be unraveled, there existed a group of extraordinary individuals known as the

quizzes play a crucial role in assessing student understanding, promoting active learning, providing feedback, enhancing motivation, and preparing students for larger assessments

The term "rectilinear propagation of light" refers to the fundamental principle that light travels in straight lines through a uniform medium unless it encounters an obstacle or passes through a

1.What is the SI unit of electric charge? a) Ampere b) Coulomb c) Volt d) Ohm 2.What does Gauss's Law in electrostatics describe? a) Electric flux through a closed surface

Transportation in Animals. Transportation in animals is the movement of food, water, and oxygen to different parts of the body.

“The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.”

Two industrial processes that involve heating are • extracting iron from its ore using a blast furnace, • making lime. In which of these processes is calcium carbonate used?