Question

Q27) Who established the two important laws of chemical combinatior
State them.
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Q28) a) Define atomicity
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b) Name the element whose atomicity is
i) tri atomic ii) tetra atomic.
c) State the number of atoms present in each of the following
i) C6 H12 06 ii) H2 SO4
Q29) Draw a neat labeled diagram of animal cell
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OR
Draw a neat labeled diagram of a neuron
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Q30) a) Name the tissue that transports food in plants​

Answer 1

Answer:

Antoine Lavoisier

The two important laws of chemical combination were given by Antoine Lavoisier and Joseph Proust. The formation of compounds by a combination of elements is governed by following five laws of chemical combination.

Explanation:

the number of atoms in the molecules of an element