dm720291 Asked: April 2023 Two traffic signals are temporarily suspended from a cable as shown. Knowing that the signal at B weighs 400 N, determine the
dm720291 Asked: December 2022 4- The common ion effect is useful in : 1-Volumetric analysis2-Potentiometric analysis3-Conductiometric analysis4-Gravimetric analysis 5. Which statement is incorrect for
dm720291 Asked: December 2022 7. For Buffer solution which of the statement is true :a) Solution in which an acid or base is added into it its pH
dm720291 Asked: December 2022 2-The volumetric method of analysis :a) Determines the amount of constituents in a given sample by measuring the weight of precipipates.b) Determines the
dm720291 Asked: December 2022 1. For Buffer solution which of the statement is true :a) Solution in which an acid or base is added into
dm720291 Asked: December 2022 1) The measurement of percentage of element in colorimetry is based ona) Viscosity of solutionb) Volume of solution c) Colour of
dm720291 Asked: December 2022 7) Standard series method uses : a) Test tube b) Nessler tube c) Reagent tube d) Long tube 8) The most
dm720291 Asked: December 2022 lo c it is also known as extinction ratio de ct 6 the absptiometry is a visual method of comparision b
dm720291 Asked: December 2022 1. Emission spectroscopy is based on emission of electrons. a). Emission of electrons. b). Emission of protons. c). Emission of light of characteristic
dm720291 Asked: December 2022 3), Which statement is true:a) when a monochromatic light passes through a solution of constant thickness, the intensity of light decreases
dm720291 Asked: December 2022 are incorrect? *1-It has physical contact with target of measurement.2-It has fast speed response.3-It has possible errors due to pressure to intervening gases or vapours
dm720291 Asked: December 2022 7- For hydrolysis which statement is incorrect:a) Strong acid reacts with strong base to produce salt and water.b) Salt reacts with water
dm720291 Asked: December 2022 what can be done to increase the temperature range of optical pyrometers1 better accuracy of telescope2 using electrical circuit for control box3 inclusion of absorbing screen4 using red filter