GCSE Science B1: Chemistry and Technology in Everyday Life Quiz

Chemistry and technology in farming have improved efficiency, increased productivity, and reduced manual labor, leading to higher yields and better management of resources.

100 years ago, lye was a common ingredient in soap-making due to its ability to react with oils to create soap. Bleach, ammonia, and vinegar are not substances typically used in soap production.

While nylon, polyester, and acrylic are commonly used synthetic fibers, Gore-Tex is specifically designed to provide waterproof and windproof properties in clothing.

The correct answer lists examples of synthetic fibers, while the incorrect answers include natural fibers or materials that are not considered synthetic.

The correct answer includes fibers that are derived from natural sources such as plants (linen, cotton), animals (silk, wool, cashmere), and even canvas which is made from cotton or linen. The incorrect answers consist of synthetic fibers or semi-synthetic fibers that are not naturally occurring.

A polymer is a large molecule composed of many repeated subunits called monomers. These monomers are usually identical and linked together to form a long chain structure.

Natural polymers are large molecules composed of repeating structural units found in nature. Starch, Cellulose, Proteins, Nucleic Acids (RNA & DNA), Natural Rubber are examples of natural polymers as they are derived from natural sources and exhibit polymeric properties. On the other hand, Plastic, Metal, and Glass are not natural polymers as they are either synthetic materials or inorganic substances.

An alloy is a mixture of metals or a mixture of a metal and another element. It is not a type of currency, fabric, or seasoning.

Yeast is a type of fungus that interacts with sugars to produce carbon dioxide, causing the bread dough to rise. Baking powder, while also used in baking, does not have the same impact on bread rising as yeast does. Sugar and salt are common ingredients in bread recipes but they do not play a direct role in the rising process.

Stainless Steel is the preferred choice for kitchen utensils due to its corrosion resistance, durability, and ease of cleaning.

When a drain cleaner breaks down protein in a clogged sink, it typically undergoes an exothermic reaction, releasing heat in the process.

Furniture polish is commonly made by mixing lemon juice and mineral oil. Vinegar and water, baking soda and vinegar, as well as olive oil and vinegar are not the correct combination for making furniture polish.

When hydrogen peroxide comes into contact with a cut, it reacts to produce water and oxygen, which help clean the wound and promote healing.

The correct answer pertains to the reaction between acids and aluminum to produce hydrogen gas.

Muriatic acid, also known as hydrochloric acid, is the correct answer. It is commonly used to remove lime buildup in steam irons by reacting with the lime to form a soluble product. Distilled water, vinegar, and bleach are not typically used for this purpose.

Methanol is commonly used to clean paint brushes due to its ability to effectively remove paint residue.

Acetone is a common solvent used to dissolve nail polish as it effectively breaks down the polish without damaging the nails.

Hydrogen Peroxide is a commonly used antiseptic to clean cuts due to its ability to kill bacteria and prevent infections.

Metal pains and fillers are commonly used in repairing dents and scratches on vehicles, making Automotive Repair Shops the correct answer.

Detergent is added to shampoo to help cleanse the hair and scalp by removing dirt and oils. This ingredient also contributes to the foaming properties and texture of the shampoo. Conditioner, fragrance, and colorant are commonly added for different purposes such as moisturizing, scent, and color, respectively.

The correct response 'Lol' indicates a light-hearted reaction to accidentally leaving the question blank.

Soap is not suitable for hair because it breaks down protein, leading to damage and weakening of the hair strands.

HHPS stands for Hazardous Household Product Symbol, which is a labeling system used to indicate the potential hazards of household products.

Herbicide is specifically designed to eliminate undesired vegetation through chemical means, differentiating it from fertilizers, watering tools, or pH meters.

A synthetic polymer is a man-made compound composed of repeating subunits, distinct from natural polymers found in nature.

An alloy is a mixture of two or more elements, where at least one element is a metal. It typically has properties different from those of its components and often resembles a pure metal. A compound is a substance formed when two or more elements are chemically bonded, a solution is a homogeneous mixture of two or more substances, and a suspension is a heterogeneous mixture containing solid particles that are large enough for sedimentation.

Magnesium Peroxide is a common basic chemical used in antacid tablets for its acid-neutralizing properties and ability to provide relief from heartburn and indigestion. Calcium Hydroxide, Sodium Bicarbonate, and Aluminum Hydroxide are also commonly found in antacid tablets but are not the primary ingredient in the mentioned brand.

When chlorine is added to water, it reacts to form Hypochlorous Acid, which is commonly used as a disinfectant in water treatment processes.

Sodium Hypochlorite is commonly used in household bleach products for cleaning and disinfecting purposes.