Quiz: Identify These Scientific Lab Tools

Explanation
A glass container for holding, mixing, and heating small amounts of chemicals that looks like a thin tube is called a test tube. Test tubes are commonly used in laboratories for various purposes such as conducting experiments, observing reactions, and storing small samples. They are designed to withstand high temperatures and are often made of borosilicate glass to prevent breakage. Test tubes are easily identifiable by their long, cylindrical shape and are an essential tool in scientific research and analysis.

Explanation
A beaker is a piece of equipment used for mixing or heating larger quantities of chemicals. It has lines indicating volume on the side, allowing for rough measurements of liquids. However, it is not very accurate for precise measurements. Therefore, a beaker is the correct answer.

Explanation
The equipment identified in the diagram is a conical flask. A conical flask is a type of laboratory glassware that has a conical shape with a narrow neck and a flat bottom. It is commonly used in chemistry experiments for mixing, heating, and storing liquids. The conical shape allows for easy swirling and mixing of substances, while the narrow neck prevents splashing and allows for the attachment of various accessories such as stoppers or condensers.

Explanation
The equipment in the diagram is a measuring cylinder. A measuring cylinder is a cylindrical glass or plastic tube with a narrow neck and a calibrated scale on the side. It is used to measure the volume of liquids with high accuracy. The narrow neck helps in preventing spillage and the calibrated scale allows for precise measurements.

Explanation
The given piece of lab equipment is a test tube rack. A test tube rack is used to hold multiple test tubes in an organized manner, allowing for easy storage and access. It typically has several holes or slots where the test tubes can be placed upright. This helps to prevent the test tubes from tipping over and spilling their contents.

Explanation
The answer is "beaker" because a beaker is a common piece of lab equipment that is used for holding and mixing liquids. It has a cylindrical shape with a flat bottom and a pouring lip, making it easy to pour and transfer liquids. Beakers come in various sizes and are typically made of glass or plastic. They are commonly used in chemistry experiments and are a versatile tool in the laboratory.

Explanation
A glass container for holding, mixing and heating small amounts of chemicals that looks like a thin tube is called a test tube. Test tubes are commonly used in laboratories for various experiments and reactions due to their small size and versatility. They are designed to withstand high temperatures and can be easily held and manipulated. Test tubes are often used for qualitative observations, small-scale reactions, and storage of small quantities of substances.