The correct answer is (A) 0 K. The conductivity of semiconductors increases with an increase in temperature and vice-versa. Therefore, the... View Article
Mass selection is one of the most important methods used in plant breeding and this is the type of breeding method used for self-pollinated... View Article
The correct answer is (B) 22.4 L. 2N → N2 2 moles of N atoms form 1-mole N2 molecules We know that 1 mole of N2 molecules at NTP occupies... View Article
Sol: The correct answer is (A) 1:2. Consider a box of length, l A molecule bounces elastically of the wall and to the other side and back.... View Article
The correct answer is (D) Both (B) and (C). Both Zinc (Zn) and Aluminum (Al) produce hydrogen gas reacting with sodium hydroxide solution. Here... View Article
The correct answer is (D) Rennin. Curdling of milk in the stomach is due to the action of rennin. Rennin is a proteolytic enzyme synthesized by... View Article
The correct answer is (B) n-heptane. N-heptane is defined as the zero point of the octane rating scale. The octane number is based on an... View Article
Sol: Given: Time, t = 4 min = 240s Distance, D = 1.6km = 1.6 * 103m The average speed, v = ⇒ v = 6.6 m/s Therefore, the average speed... View Article
The positive economic theory deals with what are or how the economic problems faced by society are solved. Positive economics is based on data... View Article
Sol: Perimeter = 32 m. Therefore, The length of a side = = 8m. Diagonal of a rhombus = 10m. As we know; The halves of diagonals and the... View Article
The correct answer is (A) Iodine. Lustre refers to shining metals. Non-metals such as sulphur, oxygen, nitrogen are non-lustrous. Iodine is a... View Article
The correct answer is (C) Glucose. Benedict's test is a chemical test that is often used to detect the presence of reducing sugars in the given... View Article
The given statement is true. The melting of ice is a reversible change as the melted ice cubes may be refrozen. Explore more such questions and... View Article
The correct answer is (C) HSO4−. A conjugate acid, within the Brønsted–Lowry acid-base theory, is a species formed by the reception of a proton... View Article
