The magnetic field lines inside a current-carrying long straight solenoid are uniform. Uniform magnetic field means the magnetic field lines... View Article
Geometrical and optical isomerism are types of Stereoisomerism. Stereoisomers are a type of isomer where the order of the atoms in the two... View Article
Answer: Given parameters Power rating of the device (P) = 500 W = 0.50 kW Time for which the device runs (T) = 10 h Energy consumed by an... View Article
(a) As it is not a closed figure, therefore, it is not apolygon. (b) It is a polygon because it is closed by linesegments. (c) It is not a... View Article
The correct answer is option (i) - Al3+ More the nuclear charge on ion, electrons are more strongly attracted and thus size decreases. Hence,... View Article
Answer: Variations are important for species survival because variation causes the organism to overcome extreme situations. Organism species... View Article
Yes, it is better to use compost instead of chemical fertilizers. It is how farm waste material like livestock excreta, vegetable waste,... View Article
Plants with fibrous roots have parallel venation in their leaves. For example, grass, wheat maize, etc., have fibrous roots with parallel... View Article
We have to find the number of molecules present in 16g of solid sulphur. The molecular mass of the sulphur molecule is 32 × 8 = 256 u. 1 mole... View Article
Amphoteric oxides like aluminium oxide react with both acids and bases. Amphoteric oxides react with both acids and alkalis to form salt and... View Article
Answer: A mole is defined as the amount of a substance that contains exactly 6.02214076 × 1023 elementary entities of the given substance. A... View Article
CH≡CH is the structural formula of C2H2, so the C2H2  contains a triple bond Triple bond, in chemistry, a covalent linkage in which two atoms... View Article
a)The wind A windmill requires a wind of speed more than 15 km/h to generate electricity from wind energy also large numbers of windmills are... View Article
(ii) Aluminium is a conductor of heat. Aluminium is an excellent heat and electricity conductor and, concerning its weight, is almost twice... View Article
Platypus and Echidna The platypus echidnas are the world's only monotremes or egg-laying mammals. There are two species of echidnas, one... View Article
Answer: (iii) Dacron Dacron is a condensation polymer. The condensation polymers are formed by repeated condensation reaction between two... View Article
All of the above India is located in the Southern part of Asia. It is the second-largest country in South- East Asia. It is in the Northern... View Article