MHT-CET PCB 04 — MHT - CET STD 12 Science — Question

Which of the following Grignard reagents, is used to prepare 2-methylpentan-2-ol from acetone?

An engine requires 5 seconds to go from a speed of 600 r.p.m. to 1200 r.p.m. How many revolutions does it make in this period?

The observed electronic configuration of promethium (atomic number 61) is ____________.

Two wires of different materials have same length L and same diameter d. The second wire is connected at the end of the first wire and forms one single wire of double the length. This wire is subjected to stretching force F to produce the elongation l. The two wires have ______.

Which of the following steps are involved in the anaerobic digestion of biogas production?

In which of the following processes, beat is neither absorbed nor released by a system?

The following diagram represents an important concept in the genetic implication of DNA. Identify A, B and C. 

Which of the following is also known as Bleeder's disease?

The coefficient of self-inductance of a solenoid is 0.20 mH. If a core of soft iron of relative permeability 900 is inserted, then the coefficient of self-inductance will become nearly ______

For which of the following needs the transgenic animals are generally produced?