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Greeley [361]
2 years ago
5

A blank is a compound that turns litmus blue and is often found in soaps and detergents

Physics
1 answer:
dangina [55]2 years ago
7 0
An ... (Base ) .... is a compound that turns red litmus paper blue and is often found in soaps and detergents.
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Explain how a step-down transformer makes electricity safe for use in homes.
Savatey [412]

Answer:

it lowers the voltage in homes

Explanation:

this is due to safety reasons as a human cant survive power line voltages which are between 150k and 760k and if you plugged anything short of a piece of 1 inch thick wire not counting insulation it would immediately start smoking and burn the cable.

3 0
3 years ago
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Can someone answer this 2 correctly please
ahrayia [7]

Answer:

I know the first one is C.) 4J. I don't know of the answer for the second oneis suppose to be in N/m form? but I got

2,500N/m

5 0
3 years ago
Which of the following decreases the dissolving rate of a solid in water?
Alexus [3.1K]
It can’t be b because that will increase the dissolving rate
6 0
3 years ago
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A constant unbalanced force is applied to an object for a period of time. Which graph best represents the acceleration of the ob
balu736 [363]

Answer:

Here is an image attached with similar questions.

The correct answer is D where acceleration is function of time.

Explanation:

The force acting on the object is constant.

There is no change in the application of forces.

And we know that Force is the product of acceleration and masses.

Newtons second law: F=m\times a

Regarding mass we know that it can neither be created nor destroyed.

So in F=m \times a we have two constant terms, constant divided by constant will give the same result as a=\frac{Force}{mass}

There is no change in acceleration (a) with respect to time (t).

So the most appropriate graph where time (t) is changing on x-axis but acceleration doesn't changes is D.

The graph will be similar to y=any\ constant and will be horizontal to the x-axis.

Option D depicts the same.

5 0
2 years ago
Which statement best describes the equation CaCO3 + 2HCl → CaCl2 + CO2 + H2O? CaCO3 is a reactant; it is present before the reac
Marat540 [252]

Answer:

CaCl2 is a reactant

Explanation:

Calcium carbonate (CaCO3) is a reagent, it is found on the left side, what is found on the right side are the products.

6 0
3 years ago
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