The metal that is present in photo films is
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Carbon, diamond and graphite are together called 1 Isomers 2 Allotropes 3 Isomorphs 4 Isotopes
Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent
Heavy water is 1 Tritium oxide 2 Deuterium oxide 3 Rain water 4 None of these
Science is both a process and product-Substantiate
Who is the first female cosmonaut?
The ratio of pure gold in 18 carat gold is 1 60% 2 75% 3 80% 4 100%
Reaction of alcohol, with a carboxylic acid is known as 1 Substitution Reaction 2 Addition reaction 3 Esterification 4 Hydrogenation
example for navigation satellite?
when u step up the voltage using atransformer ,,,then what about the secondary current will it be increased or decreased ?
Chemical formula for water glass is 1 Na2Sio3 2 Al2O3 3 NaA1O2 4 CaSiO3
What is the colouring matter in plants called
What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?