Question

Name some building materials manufactured by chemical
processes.
Why is a wire gauze placed under glass apparatus when they are hea
F. Answer the following in detail.
1. Describe the various activities related to chemistry that were prac
2. Describe the applications of chemistry in food industry.
3. List any four safety precautions to be followed in a chemistry la
Think and answer
1. Everything in the world is chemistry. Justify.
2. How are modern chemists different from alchemists? Can w
Projects & Activ
tion​

Answer 1

Answer:

Name some building materials manufactured by chemical

processes.

Why is a wire gauze placed under glass apparatus when they are hea

F. Answer the following in detail.

1. Describe the various activities related to chemistry that were prac

2. Describe the applications of chemistry in food industry.

3. List any four safety precautions to be followed in a chemistry la

Think and answer

1. Everything in the world is chemistry. Justify.

2. How are modern chemists different from alchemists? Can w

Projects & Activ

tion

Explanation:

make me branilest please

Answer 2

Answer:

I hope it helps you.

Explanation:

Working safely with hazardous chemicals requires proper use of laboratory equipment. Maintenance and regular inspection of laboratory equipment are essential parts of this activity. Many of the accidents that occur in the laboratory can be attributed to improper use or maintenance of laboratory equipment. This chapter discusses prudent practices for handling equipment used frequently in laboratories.

The most common equipment-related hazards in laboratories come from devices powered by electricity devices for work with compressed gases, and devices for high or low pressures and temperatures. Other physical hazards include electromagnetic radiation from lasers and radio-frequency generating devices. Seemingly ordinary hazards such as floods from water-cooled equipment, accidents with rotating equipment and machines or tools for cutting and drilling, noise extremes, slips, trips, falls, lifting, and poor ergonomics account for the greatest frequency of laboratory accidents and injuries. Understandably, injuries to the hands are very common in the laboratory. Care should be taken to use appropriate gloves when handling laboratory equipment to protect against electrical, thermal, and chemical burns, cuts, and punctures.

7.B. WORKING WITH WATER-COOLED EQUIPMENT

The use of water as a coolant in laboratory condensers and other equipment is common practice. Although tap water is often used for these purposes, this practice should be discouraged. In many localities conserving water is essential and makes tap water inappropriate. In addition, the potential for a flood is greatly increased. Refrigerated recirculators can be expensive, but are preferred for cooling laboratory equipment to conserve water and to minimize the impact of floods. To prevent freezing at the refrigeration coils, using a mixture of water and ethylene glycol as the coolant is prudent. Spills of this mixture are very slippery and must be cleaned thoroughly to prevent slips and falls.