Question

34 Write any two ehemical differences between Metals and Non-Motals

35 i) statu two laws of ntraction of light
Wrtte the lans formula in terms of power
salphurie acid to liberate hydrogon
35. Draw the diagram to show the reaction of Zinc Granules with dilute
37
) Write the structural formula for lso-Pontane
ii) How detergent, aro different from soaps
Draw the diagram of Human Alimentary canal and label the following
parts : Small intestine (U) Liver
How do Mendel experiments show that triats may be dominent
or rocessive 7
i) Draw the Checker's board for F, gonoration
Explain any three with an example to support evidences in factors of
OR
evolution ?
00 Why in the use of lodine salt advisable
) Write any two differences betwen Central Nervous system and
Peripheral Nervous systom
OR
) Adrenaline in an emergency hormone. Why
i) Write any two differences botween endocrine and Nervous system
1
Mention any two properties of Magnetic lines of force
l) What would be the frequency of an alternating current if its
direction changes after every O.01 second
42 I0 What is Rancidity ? Mention two methods to prevent it
i) How is corrosion is different from rusting of metals
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Answer 1

plzzzzzz mark me as brainliest

Answer 2

34.(1) metals are the good conductors of electricity.

non metals are the bad conductors of electricity.

(2) metals are malleable,ductile and sonorous.

non metals are not ductile, malleable and sonorous.