2 years ago

7) Facilitated diffusion is

1 answer:

3 0

The passive movement of molecules or ions across a plasma membrane by means of a transports protein located in the plasma membrane

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when a reactive metal is added to water, bubbles or fizzing can be observed. Explain the appearance of the bubbles

MakcuM [25]

Answer:

This is because of the release of hydrogen gas in the reaction.

Explanation:

Metals react with water and produce a metal oxide and hydrogen gas. It also starts floating due to the bubbles of hydrogen gas sticking to its surface.

For eg:

2Mg. + 2H2O --------> 2MgOH + H2

Here,

Metal taken is magnesium(2Mg) which when reacts with water(2H2O) to form its oxide form (2MgOH) and hydrogen gas(H2) is released which comes outside water as bubbles.

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What are the 3 states of matter

dmitriy555 [2]

Explanation:

gas

liquid

solids

are the 3 states of matter

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