Question

DELT,
PRELIMINARY EXAM 2020-21 - SET-I
Subject : Science - I
Marks : 40
ndard :
Time: 2
Choose the correct alternative and write the alphabet corresponding to the correct answ
In a double displacement reaction
lons get rest
ii) Irons get liberated
lons are exchanged
iv) Irons are not created
is used to study the anomalous behavior of water.
Colorimeter
Joule's apparatus
Hope's apparatus
iv) Thermosflask​

Answer 1

Answer:

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