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katen-ka-za [31]
3 years ago
13

Which substance contains positive ions immersed in a sea of mobile electrons?

Chemistry
1 answer:
adell [148]3 years ago
7 0

Answer:

it’s B.CuO(s)

Explanation:

your welcome:)

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Phantasy [73]

Answer:

If you touch the knob of a positively charged electroscope with another positively charged object,the leaves of the electroscope would remain apart.

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3 years ago
41.6 mL of an HCIO2 solution were
WINSTONCH [101]

Answer:

0.0521 M

Explanation:

          HClO2 + NaOH ---> NaClO2 + H2O

M(HClO2)V(HClO2) = M(NaOH)V(NaOH)

M(HClO2)*41.6 mL = 0.146 M*14.85 mL

M(HClO2) = 0.146*14.85/41.6 M = 0.0521 M

8 0
3 years ago
Which is a characteristic of mixtures?
pshichka [43]

Answer:

A major characteristic of mixtures is that the materials do not chemically combine

Explanation:

Mixtures can be divided into those that are evenly distributed (homogeneous) and those that aren't (heterogeneous)

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3 years ago
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Two examples of colloids
erica [24]
{\huge {\mathfrak {\orange {Answer :-}}}}

➡️ Milk

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➡️ Muddy water

➡️ Smoke


REGARDS, ARNAB ✌️

THANK YOU
8 0
3 years ago
Which of the following is always a reactant in a combustion reaction?
Marina86 [1]

Answer:

Oxygen

Explanation:

Any Hydrocarbon + Oxygen ----> Carbon Dioxide + H2O (Water vapour, gas, water)

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