Answer:
2500kg/m3
Explanation:
Mass=20g= 20×10^-3kg
Volume=8x10^-6m3
<h2>Now we know that Density = mass\volume</h2>
D= 20×10^-3/8×10^-6
=2500kg/m3
Answer:
4.9cm or 4.90cm
Explanation:
Use column method and align the numbers. Make sure you add the decimal point before you write the answer, otherwise the value would be wrong.
Explanation:
When two substances chemically combine together then it results in the formation of a new compound whose chemical properties are different from the reactant species.
Thus, there will be change in the chemical composition when reactants combine together.
Therefore, we can conclude that if two substances combine to form a new substance with different properties, a chemical change has occurred.
Answer:
Probably A.
Explanation:
Its either A or C. A is more probable imo
These type of reaction is called as <u>N</u><u>eutralization</u> <u>R</u><u>eaction</u><u>.</u>
