The purpose is to prevent angina attacks and also relieve
the pain of acute anginal attacks. This also treatment chronic stable angina
pectoris. Antianginal agents is a term
used to define a wide variety of medicines that are used in the organization of
angina. Angina is a heart illness categorized.
Carbohydrates are vital for life on Earth and perform a range of functions such as providing energy, structural support and cellular communication. All life on Earth requires carbohydrates. The most important role of carbohydrates is as a source of energy. The chemical energy in sugars is the main source of energy for most living things.<span>
</span>
The correct options are, frying an egg and burning candle.
Explanation :
Physical change : It is a change in which no new compounds are formed only changes occurs in size or state of substance. In this, there is no changes in the substance or compound.
Chemical change : It is a change in which a new compounds are formed by the chemical reaction. Changes occurs in their chemical composition and properties.
Frying an egg : It is a chemical change because a new substance is form by heating.
Burning a candle : It is chemical change because new substances are formed (carbon dioxide, water and heat) by burning.
Boiling alcohol : It is physical change because only changes in the state.
Melting and ice : It is a physical change because only changes in the state.
Making coffee : It is a physical change because no new substance is formed.
Therefore, frying an egg and burning candle are the example of chemical change.
