Synthetic polymerization refers to the process of chemically synthesizing polymers, which are large molecules composed of repeating subunits called monomers.
1. (a) Using an example in each case, define the following terms.(i) Hygroscopic substance (ii) Deliquescent substances(iii) Efflorescent substances(iv) Hydrated compound(v) Anhydrous substance2. (a) Magnesium ribborn was burnt in air until
Bases can be prepared through various methods depending on the specific base required and the starting materials available. Here are some co...
The reactivity series, also known as the activity series, is a list of metals arranged in order of their reactivity. In this series, metals are ranked from the most reactive
“A woman or man of value doesn’t love you because of what he or she wants you to be or do for them. He or she loves you because your
Molarity, often denoted as "M," is a fundamental concept in chemistry that describes the concentration of a solute (a substance being dissolved) in a solution (the resulting mixture). It is
Please note that these questions cover a wide range of topics in O level Chemistry and can be used for practice and review.
stoichiometry is the relationship between the quantities of reactants and products before, during, and following chemical reactions.
Units of measurement are standardized values used to express various physical quantities. They provide a consistent and universally accepted way to describe the magnitude of different properties. Here are some
In chemistry, an alcohol is a type of organic compound that carries at least one hydroxyl (−OH) functional group bound to a saturated carbon atom.
Hydrogen can be used as a fuel. Which properties of hydrogen would be advantages and which would be disadvantages? 1 2 3 Hydrogen is expensive to produce. Hydrogen reacts exothermically
noble gas, any of the seven chemical elements that make up Group 8 (VIII) of the periodic table.
Balancing chemical equations is an essential skill in chemistry, and it ensures that the law of conservation of mass is upheld in chemical reactions. While it may seem challenging at
For a science student, having the right tools and materials in their bag can significantly aid in studying, experimenting, and understanding scientific concepts. Here are some basic essentials a science
Acidity and basicity are fundamental concepts in chemistry that describe the properties of substances and their behavior in aqueous (water-based) solutions. These concepts are often associated with the pH scale,
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
Brownian motion, or pedesis (from Ancient Greek: πήδησις /pɛ̌ːdɛːsis/ "leaping"), is the random motion of particles suspended in a medium (a liquid or a gas).[2] This pattern of motion typically
Which metal would be suitable for all of the following uses? • making aircraft bodies • making food containers • making overhead power cables
A reactivity series (or activity series) is an empirical, calculated, and structurally analytical progression of a series of metals, arranged by their "reactivity" from highest to lowest.
Acids and bases are two distinct types of chemical substances with contrasting properties. Here are the main differences between acids and bases: