Hii Guys please answer my question.
its urgent please ❤️
Answers
1. ..........
Pure substant :
• Substant which have a specific composition are called pure substances.
• It constant physical and chemical properties.
• examples - copper , chlorine .
Mixture :
• The combination of two or more pure substances is called mixture.
• It have varing physical and chemical properties.
• examples - water and oil , a conglomerate rock.
2. ...........
Heterogeneous mixture :
• It consists of visibly different substances or phases . The three phases or states of matter are : gas , liquid and soil.
• examples - Ice cubes in cola , chocolate chip cookies.
Homogeneous mixture:
• It has the same uniform appearance and composition throughout . These are commonly referred to as solutions.
• examples - alcohol in water , salt
Hope it helps ⭐ ⭐
Sorry , but in 5 points I only can answer 2 questions
Answer:
3 Yes a mixture of iodine and camphor can be separated by process of sublimation as camphor Is a sublimable solid
4 Size of naphthalene balls decrease bcoz they start to sublime
7 the filtration technique cannot be used to separate sugar and salt solution as they get completely dissolved in water
8 It is the process in which the separating mixture is kept in a cylindrical vessel and it is whirred at ahigh speed
ex used in getting cheese from milk
Explanation:
Hope this helps :)
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