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laiz [17]
3 years ago
12

Write TRUE if the statement is correct and FALSE if the statement is wrong.

Chemistry
1 answer:
DedPeter [7]3 years ago
8 0

Answer:

true is the answer of first

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What is the acronym of DNA?? ​
g100num [7]
Abbreviation. DNA, which stands for deoxyribonucleic acid, is defined as a nucleic acid that contains the genetic code.
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3 years ago
The bowling ball is whizzing down the bowling lane at 4 m/s. If the mass of the bowling ball is 7 kg, what is its kinetic energy
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What type of reaction is pb(no3)2(aq) + 2kcl(aq) ® pbcl2(s) + 2kno3(aq)?
Sladkaya [172]

The given reaction is,

Pb(NO_{3})_{2}(aq) +2 KCl(aq) --->PbCl_{2}(s) + 2 KNO_{3}(aq)

In this reaction, the positive and negative ions of both the reactants rearrange resulting in the formation of new compounds. Such a reaction is referred to as the double replacement or the double displacement reaction. These type of reactions usually take place in aqueous medium and one of the products is a precipitate.

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6 0
3 years ago
List 5 of the signs that can identify the evidence of a chemical change.<br>​
trapecia [35]

Answer:

here are some ideas <3

Explanation:

burning of paper.

cooking of food

burning of wood

rotting of fruits.

frying egg

rusting of iron

mixing acid and base.

burning of candle

leaves changing color

melting of sugar.

baking

explosion of fireworks.      

souring milk

digestion of food

fermentation

lighting matchstick

photosynthesis

decomposition of waste

8 0
3 years ago
Setting of milk into curd is chemical changes. justify your answer
ad-work [718]
The milk curdling is a precipitate
5 0
3 years ago
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