please answer this fast then I will make you the brainlest if I have option to make it
Answers
Answer:
practicals is very important
Step-by-step explanation:
because we can practice it we can't understand the problem and we can't answer 9t also
Answer:
practicals
importance
dishes
test tubes
Step-by-step explanation:
1.
They have an important role to play supporting practical work in developing understanding of science concepts. ... A further consequence of experiencing practical work, particularly in chemistry, is the acquisition of an understanding of hazard, risk and safe working.
2.
Because it is so fundamental to our world, chemistry plays a role in everyone's lives and touches almost every aspect of our existence in some way. Chemistry is essential for meeting our basic needs of food, clothing, shelter, health, energy, and clean air, water, and soil.
3.
Most evaporating dishes are made of porcelain or borosilicate glass, which are non-reactive and can withstand heat from a Bunsen burner, but those made from other materials such as glassy carbon and PTFE are also available.
4.
Test tubes are made of thin glass because hot water can break thick glass more easily. ... Test tubes are made of thin glass because hot water can break thick glass more easily.
Test tubes, intended for general chemical work are usually made of glass, for better resistance to heat and corrosive chemicals and longer life. Tubes made from expansion-resistant glasses, mostly borosilicate glass (or fused quartz) can withstand high temperatures, up to several hundred degrees Celsius.