A. Blue B. Colourless C. Orange D. Pink ✓ E. Yellow The answer to the question is: D. Pink Phenolphthalein is a...
basic
1) BASIC program to find the square root of numbers To find the square root of a...
Introduction The basic principle of an electrocardiogram (ECG or EKG) is to record the electrical activity of...
Radiation refers to the emission and propagation of energy through space or a material medium. In other...
Drawing plays a significant role in the expression of thought and ideas. Often, descriptions which cannot be...
A) Plastic Plastics are manufactured through the combination of several different compounds obtained chiefly from cellulose, coal...
A) Methods of Making Clay In order to process ceramics, mud, or clay is obtained and cleared...
Many metals do not naturally exist in a free state in the ground. They occur in association...
A defect is anything present in wood, which results in the lowering of its quality or value....
Wood is obtained from trees. When it has not been processed for use, it is typically referred...
Because the sapwood of trees contain water, food, salts, air and warmth, wood is often attacked by...
Electronics is concerned with the theory design, and application of devices to control streams of electrons moving...
Metal Finishing Metal finishing refers to any of the techniques used to create a decorative or protective...
The word technology refers to ways of making or doing things. It includes all the methods through...
Introduction Metalwork is the process of working with metals to create individual parts, assemblies or large-scale structures....
Introduction In many industries, there are three main methods for power transmission from one point to another....
Introduction A gear is a toothed machine part, such as a wheel or cylinder, that meshes with...
Introduction When working or playing in any environment, accidents or injuries usually occur, hence, the need for...
Introduction Diseases distrupt the normal functioning of the body. They are manifested by a characteristic set of...
All machines are tools that help people to make things or make work easy. A woodwork machine...
A belt drive system is a method of transferring rotary motion between two shafts. A belt drive...
People are often involved in dangerous or harmful situations. They therefore, need to be saved or rescued...
Introduction Thermal energy simply means heat energy. The sun is the largest source of thermal energy to...
The question about what things are made of started as far back as the 5th century B.C....
Meaning of Soldering and Brazing Soldering is a method of joining two metals surfaces by melting an...
A metal is a product from iron ore. Iron ore is the raw form of iron dug...
Advertising can be defined as any paid form of non-personal communication which is directed to the customers...
Ceramics Earthen material exists in many forms such as sand, clay, mud, stone, rocks, and so forth....
Identification of Metals There is a wide variety of metals. In fact about three-quarters of chemical elements...
Just as any quality building would require a rock solid foundation and pillars, the same applies to...
The history of citizenship dates back to 19th century. This period also witnessed the origin of nation-state....
A material is a substance from which objects such as tools, machines, furniture, home appliances and other...
A Geographic Information System (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present...
On earth’s surface, locations are determined by the two reference lines known as latitude and longitude. In...
