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Over [174]
3 years ago
14

What is the colour of litmus in a solution of ammonium hydroxide?​

Chemistry
1 answer:
sammy [17]3 years ago
7 0

Answer:

Red litmus turns blue

Explanation:

Hope it helps

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The idea that the earth is divided into a number of small plates that float on the mantle and slide,collide,and slip past each o
IgorLugansk [536]

Answer:

Theories

Explanation:

It is theories because it was a generalistee abstract or thinking generalising the principle of fact about Earth tectonic plates ,it was formulated and concluded as plate tectonic theories after many findings. The theories conclude that the Earth has an outer layer called lithosphere and lies overly a plastic layer called asthenosphere. The lithosphere is divided into several plates and they move close to each other where they diverge, converge or slip over one another.

7 0
2 years ago
Read the description of how ancient metalworkers improved their iron. Then identify the solute and solvent by filling in the bla
slega [8]

Answer:iron and carbon

Explanation:I took the test it’s iron and carbon

6 0
3 years ago
Read 2 more answers
Bluebirds and blue jays, two bird species live in a small wooded area. The blue jays are very aggressive and eventually take ove
Dahasolnce [82]

Answer:

yes

Explanation:

it affects the bluebirds habitat

5 0
3 years ago
How can we tell if there’s a chemical reaction in baking cookies
nevsk [136]

When the materials are heated they undergo a chemical change. The reaction is non reversible. The sugar, flour and eggs can no longer be separated. The properties of the materials have changed so it is a chemical change.
6 0
3 years ago
how many grams of calcium oxide are producer from the decomposition of 125 grams of calcium carbonate
Dmitrij [34]

70.0 g. The decomposition of 125 g CaCO3 produces 700 g CaO.

MM = 100.09 56.08

CaCO3 → CaO + CO2

Mass 125 g

a) Moles of CaCO3 = 125 g CaCO3 x (1 mol CaCO3/100.09 g CaCO3)

= 1.249 mol CaCO3

b) Moles of CaO = 1.249 mol CaCO3 x (1 mol CaO/1 mol CaCO3)

= 1.249 mol CaO

c) Mass of CaO = 1.249 mol CaO x (56.08 g CaO/1 mol CaO) = 70.0 g

7 0
3 years ago
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