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What is the Chemical formula of Zinc Hydroxide _________ ?
A. Zn(OH)2 B. ZNO2 C. Zn2(OH)3 D. ZnOH Submitted by :- Jamil Ahmed
The valency of carbon Atom is __________ ?
A. 1 B. 2 C. 3 D. 4 Submitted by :- Jamil Ahmed
Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?
A. Graham’s Law B. Gay-Lussac’s law C. Boyle’s law D. None of these Submitted by :- Jamil Ahmed
Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?
A. Charles’ Law B. Avogadro’s Law C. Graham’s Law D. Boyle’s law Submitted by :- Jamil Ahmed
Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?
A. Boyle’s law B. Charles’ law C. Gay-Lussac’s law D. Avogadro’s law Submitted by :- Jamil Ahmed
Which of the following noble gases is abundant in air?
A. Neon B. Helium C. Argon D. Methane Submitted by :- Jamil Ahmed
Which of the following noble gases is not present in atmosphere?
A. Argon B. Helium C. Radon D. Xenon Submitted by :- Jamil Ahmed
For a given mass of a gas at constant temperature, if the value V becomes 3 times, the pressure will becomes__________?
A. 3P B. P/3 C. 3P/T D. 6P Submitted by :- Jamil Ahmed
The reciprocal of the coefficent of viscosity is called__________?
A. Density B. Specific gravity C. Fluidity D. Absorbance Submitted by :- Jamil Ahmed
The science of fermentation is called _______ ?
A. Zygology B. Zymology C. Zymurgy D. Zootaxy Submitted by :- Jamil Ahmed