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statuscvo [17]
3 years ago
12

Why it is important to learn about elements,compound, and mixture?

Chemistry
1 answer:
Dafna11 [192]3 years ago
7 0
<span>In the study of science, it is also very important to know that all solids are not the same, all liquids are not the same, and all gases are never the same. </span>
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Drag the tiles to the correct boxes. Not all tiles will be used.
gizmo_the_mogwai [7]

Answer:

metre measures length

kilogram measures mass

time is seconds

Explanation:

I have matched correctly. Just check SI units and there measures.

4 0
2 years ago
Why is ginger used in food preservation
Vaselesa [24]
Spices like ginger are significantly used in preservatives because they have antimicrobial properties in their chemical compounds. They also have antioxidant properties that allow food to be preserved.
6 0
3 years ago
Raw materials used in the manufacturing of indigenous soap
Harrizon [31]

Answer:

Fat

Alkali

Explanation:

Fat and alkali are the two primary raw materials needed to manufacture soap.

Sodium hydroxide or potassium hydroxide is generally used as an alkali. The use of alkali depends on the intended application of the soap.

Raw animal fat was used in the past but these days, processed fat is used in the soap manufacturing process. Vegetable fats ( e.g, palm oil, olive oil, coconut oil) are also being used in soap manufacturing.

Additives are also used to enrich the color and texture of the soap.

5 0
3 years ago
How many milliliters of a 0.40%(w/v) solution of nalorphine must be injected to obtain a dose of 1.5 mg?
ozzi
The number  of Ml  of  a  0.40 %w/v solution  of   ,nalorphine  that must  be injected  to  obtain  a  dose  of 1.5 mg is  calculated as  below


since M/v%   is  mass  of solute  in  grams per 100  ml

convert Mg to  g
1 g = 1000 mg  what  about  1.5 mg =?  grams
=   1.5 /1000 = 0.0015 grams


volume is therefore =  100 (  mass/ M/v%)

= 100  x(  0.0015/ 0.4) =  0.375  ML
6 0
3 years ago
PLEASEEEEE HELPPPPPPPP MEEEEEEEEEEEEEEEE
NeTakaya
No, because boats and other mechanical vehicles can spill gas and oil into the freshwater. if the freshwater is scarce already, we should not contaminate it more by risking the gas and oil spills.
7 0
3 years ago
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