Question

I Semester Examination 2019-2020
Std.: VIII
Subject: Science
] Fill in the blanks:
Viruses can be seen only with electro microscope
Electric configuration of sodium is
The electron shell_K is nearest to the nucleus.
The instrument which records the earthquakes is called
make the environment poisonous and unhealthy
] Match the following:
Mercury
Paralysis
Hydrogen chloride
НСІ
Water containing cobalt
Metal
atements are true or fals​

Answer 1

Answer:

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