Which of the following is a bridge element? a. Mg b. Be c. Na d. Ba
P4O10 on hydrolysis produces a. H3PO2 b. H3PO3 c. H3PO4 d. PH3
shaktijiya
Asked:
September 2023
All elements commonly exhibit an oxidation state of a. +1 b. +2 c. 0 d. -1
shaktijiya
Asked:
September 2023
Give an example of a molecule in which the molecular weight is two times the empirical formula weight.
shaktijiya
Asked:
September 2023
Give an example of a molecule in which the empirical formula is CH2O and ratio of molecular formula weight and empirical formula weight is 6:1.
shaktijiya
Asked:
December 2022
Three bodies, a disc,a hollow cylinder and a hollow sphere roll down the same inclined plane without slipping. They start from rest .The radii of the bodies are identical. Which of the bodies reaches the ground with maximum velocity?
shaktijiya
Asked:
December 2022
A stone falls from a cliff and travels 73.5 m in the last second before it reaches the ground at the foot of the cliff. Find the height of the cliff. (a) 148.2 m (b) 184.2 m (c) 313.6 m (d) 44.1 m
shaktijiya
Asked:
December 2022
A boy throws a ball horizontally from the window 500m above the ground in one building so that it enters the window 10m above the ground in the other building. If two buildings are 100m apart, find the horizontal velocity of the ball.
shaktijiya
Asked:
December 2022
I require the summary of the accidental tourist by Bill Bryson (Class 9). Please answer fast.......
Please answer fast...... It's a question worth 20 points...
shaktijiya
Asked:
December 2022
An object of mass 'm' moving with speed 'u' collides with anothe mass 'M' at rest, then find the fraction of kinetic energy transferred to M. Please solve the question with appropriate steps.
shaktijiya
Asked:
December 2022
Diadelaphous stamens are found in a. pea b. china rose c. both a and b d. none of the above
shaktijiya
Asked:
December 2022
An object of mass 'm' moving with speed 'u' collides another mass 'M' at rest, then find the fraction of kinetic energy transferred to M.
shaktijiya
Asked:
December 2022
Calculate the percentage of water of crystallization in the sample of Mohr salt, FeSO4.(NH4)2SO4.6H2O.
shaktijiya
Asked:
December 2022
At NTP, the mass of 1 litre of gas is 3 g. Molecular mass of the gas is a. 92.3 b. 60 c. 67.2 d. 65.4
shaktijiya
Asked:
December 2022
At NTP, the mass of 1 litre of gas is 3 g. Molecular mass of the gas is a. 92.3 b. 60 c. 67.2 d. 65.4
shaktijiya
Asked:
December 2022
In the Clark's method for softening compound _________ is used. a. Zeolite b. Ca(HCO3)2 c. Na6P6O18. d. H3PO3
shaktijiya
Asked:
December 2022
An object of mass 'm' moving with speed 'u' collides with another mass 'M' at rest, then find the fraction of kinetic energy transferred to M.