Matter Trivia

The matter is defined as anything that:

• Has a fixed volume and weight

• Has energy

• Has mass and takes up space

• Can be weighed on a balance

Answer explanation

Matter is defined as anything that has mass and takes up space. This means it occupies physical volume and has weight, making 'Has mass and takes up space' the correct choice.

Carbon can be found in the charcoal biscuits produced in the beginning of the 19th century. What was the medical condition these biscuits were for? Today some dog biscuits are used for the same reason.

• Flatulence

• Constipation

• Measles

• Hypertrichosis

Answer explanation

Charcoal biscuits were historically used to treat flatulence due to their ability to absorb gas. Today, some dog biscuits still contain charcoal for the same purpose, making flatulence the correct answer.

Sodium will help to optimize the flow of body fluids. It also regulates transmission of neural impulses. Where would you find sodium?

Answer explanation

Sodium is commonly found in salt, specifically table salt, which is a primary source of sodium in our diet. It plays a crucial role in fluid balance and nerve function.

Attractive forces between particles are weakest in

• solid

• liquid

• gas

• all of these

Answer explanation

Attractive forces between particles are weakest in gases. In gases, particles are far apart and move freely, resulting in minimal intermolecular forces compared to solids and liquids, where particles are closer together.

A low level of this element can contribute to asthma, diabetes, or osteoporosis. The alkaline earth metal we’re looking for might improve one’s memory. Which of the following elements also alleviates spasms?

• platinum

• magnesium

• nickel

• ruthenium

Answer explanation

Magnesium is an alkaline earth metal that can help alleviate spasms and is linked to improved memory. Low levels of magnesium are associated with asthma, diabetes, and osteoporosis, making it the correct choice.

Element number 16 in the periodic table is a key element for the production of hair or feathers. Due to the very specific smell of one of the compounds of this element, one can be warned that an egg is rotten. Which of the element has the atomic number 16?

• silicon

• tantalum

• fluorine

• sulfur

Answer explanation

Element number 16 is sulfur, which is essential for the production of keratin in hair and feathers. The compound hydrogen sulfide, produced by decaying eggs, has a distinct smell that indicates spoilage.

Which of the following is true for all chemical reactions?

• The total mass of the products decreases

• The total mass of the reactants equals the total mass of the products

• The total mass of the reactants increases

• The total mass of the products is greater than the total mass of the reactants

Answer explanation

The total mass of the reactants equals the total mass of the products is true for all chemical reactions, as stated by the law of conservation of mass, which asserts that mass is neither created nor destroyed in a chemical reaction.

Women are advised to use dairy products every day, because of their calcium content. The risk of which disease (more commonly found in women) may be reduced by a sufficient calcium intake?

• kidney stones

• osteoporosis

• arteriosclerosis

• rubella

Answer explanation

Osteoporosis is a disease more commonly found in women, characterized by weakened bones. Adequate calcium intake from dairy products helps maintain bone density, thereby reducing the risk of developing osteoporosis.

Iron helps to increase oxygen transport by the blood, and does helps to avoid fatigue. Which of the following foods is rich in iron?

• mineral water

• softdrinks

• candy

• red meat (beef, venison, etc.)

Answer explanation

Red meat, such as beef and venison, is rich in iron, which is essential for oxygen transport in the blood and helps prevent fatigue. The other options do not provide significant iron.

All Matter is made up of

• fluids

• cells

• substances

• particles

Answer explanation

All matter is composed of particles, which include atoms and molecules. The other options, such as fluids, cells, and substances, are not fundamental components of matter but rather forms or types of matter.