HELPS IN PROPAGATING RADIO SIGNALS
Names of some plants and trees that sleep during the day
Which of the following materials are used for preparing blur-black ink? 1 Gallic acid 2 Tannic acid 3 Ferrous sulphate 4 All of these
The property of a substance to absorb moisture from the air on exposure is called 1 Osmosis 2 Dessication 3 Efflorescence 4 Deliquescence
Name any two modern branches of Physical Science
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What is the life cycle ?
Write two characteristics of Science.
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Why capacitor is not allow dc ?? What the reason?
What are different constituents of food? Explain
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Which one of the following is the petroleum wax? 1 Bees wax 2 Carnauba wax 3 Paraffin wax 4 Jojoba wax
WHAT IS THE FUNCTION OF NIKEL IN CHEMICAL REACTION
difference between ancient age,middle age & modern age.
An atom of an element with mass number 23 and atomic number 11 will have 1 11 neutrons, 12 protons and 11 electrons 2 11 protons, 12 neutrons and 11 electrons 3 11 neutrons, 11 protons and 12 electrons 4 23 protons and 11 electrons