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Which of the following statements is/are correct with respect to a Scott-connected transformer? I. It can do 3-phase to 2-phase conversion II. It can do 2-phase to 3-phase conversion III. It can do 2-phase to 4-phase conversion IV. It can do 3-phase to 4-phase conversion
Are these statements about the silica gel are used in TLC true? Statement 1: It is widely used adsorbent and remains the dominant stationary phase. Statement 2: The silanols are less acidic.
In Gas-liquid phase chromatography, the stationary phase is composed of _________ and the mobile phase is made of _________
Arrange the following demographic transition theory given by Blackur (ascending order)
1. Declining phase with low mortality, lower fertility
2. Low stationary phases with low fertility and low mortality
3. Early expanding phase marked by high fertility
4. High stationary phase marked by high fertility and mortality
The network formed by resistors and capacitors for modifying the rate of change of gain and the phase shift is called a compensating network. Which of the following statements are not correct ? (A) The main purpose of a compensating network is to modify the performance of op-amp ciruit over the desired frequency range (B) There are two types of op-amps : internally compensated and externally compensated (C) 741 C is an externally compensated op-amp while 709 C is internally compensated op-amp (D) The phase lag and phase lead are most commonly used compensating networks in op-amps (E) Phase lag contributes a positive phase angle and phase lead a negative phase angle Choose the most appropriate answer from the options given below : 
The stock of stationary on 1st January 2002 is Rs. 300, payment for stationary during the year is 2002 Rs. 1,080 and stock of stationary on 31st December 2002 is Rs. 50. What will be the amount shown in income and expenditure account for the year ending 31st December, 2002?
In which type of chromatography, the stationary phase held in a narrow tube and the mobile phase is forced through it under pressure?
In Column chromatography, the stationary phase is made of _________ and the mobile phase is made of _________
In Thin layer chromatography, the stationary phase is made of _________ and the mobile phase is made of _________
Which of the following types of chromatography involves the process, where the mobile phase moves through the stationary phase by the influence of gravity or capillary action?