Question

Dr GR PUBLIC SCHOOL
IC TEST 1
PERIODICE
CILNCE
CLASS X
1. Name any two elen
Name the physical quantity whic
me any two elements that are used
section
used in fabricating
tity which is a&tio of charge
hat are the conditions under which a
(b) What is the value of charge on an ele
which a
clion
section
B
Bulombs to trne in second
en move in a conductor?
nan electron?
OR
(b) 1 Volt
Define the following terms.
ca) 1 Ampere
Define food web. Write its advantages ov
What is the role of decomposers in the ecosy
Why is equitable distribution of natural res
Balance the following chemical equations
(a) Fe + H2O
(b) MnO2 +HCI
antages over food chair
ers in the ecosystem?
urces
cessary in a society?
Fe3O4 +H2
MnCl2 + H2O+Cl2
Study the given diagram and answer the followiny qu
Section:
Following questions.
am
(a) Identify the process demonstrated by the model in the above on
(b) Label the parts A and B.
e) Explain the energy conversion in the above diagram.
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Answer 1

step by step explanation.....