Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
During a flame test why is calcium''s flame not persistent, while that of strontium is?
Ans) Because it does not have many ions as compared to the Strontium. It is the ions which produce color.
Approximate the torque and power necessary to rotate the inner 20 cm diameter cylinder shown in Figure 1. SAE 10W-30 oil at 20°C fills the gap. Assume a linear velocity profile.
Q. What do you mean by Permissible level ? To regulate and enforce safety about the use of these synthetic colours and dyes PFA, 1954 has covered their use in part IV comprisin
Dienes - Hydrocarbon These are hydrocarbon along with two carbon-carbon double bonds. Dienes are of three forms (a) Conjugated dienes: Double bonds are seperated through one
If the atomic weight of an element is 23 times that of the lightest element and it has 11 protons, then it contains : (1)11 protons, 23 neutrons, 11 electrons (2)11 protons,
If an ideal gas is kept inside a container with movable piston, and is allowed to expand ISOTHERMALLY, then pressure exerted by the gas on the container wall decreses. Why? What h
Purification of organic compounds Several methods are available for the purification of substances. Though, the selection of method, depends upon the nature of substance (if s
Q. Concepts of valence bond theory? The developments can also be cited as a typical example of the manner in which scientific theories grow and are refined in any particular fi
Q. Write an account of soda lime glass and safety glasses. Ans. Soda-Lime Glass or soft glass: It is the ordinary glass in which Na 2 O is added to the melt to oxide on hea
Q. Describe the Half -Life property of radioactive decay? Ans. The decay of a nucleus is a random event. It is impossible to predict which nucleus will decay and when.
A hydrocarbon z with molecular mass 78 on combustion gave 3.384g of carbon (IV) oxide and 0.693g of water. Determine the molecular formula of Z and draw its structure. [H=1, C=12,
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd