Solution which does not change color in the presence of any indicator is considered to be __ Answer: Neutral Indicators have the characteristic... View Article
Given, Height of the conical bucket = 45 cm Radii of the 2 circular ends of the conical bucket are 28 cm and 7 cm So, r1 = 28 cm r2 = 7 cm... View Article
The reaction in which oxidation and reduction reactions always occur simultaneouslycalled redox reaction or Oxidation-Reduction Reaction.The term... View Article
A substance that is fully absorbed when the chemical reaction is complete is called limiting reagent.The reaction comes to an end as soon as the... View Article
Cohesion-tension theory was proposed by Dixon and Jolly in 1894. Water molecules have a strong mutual force of attraction called cohesive... View Article
The hourglass was used to measure time in ancient times.The working principle of the hourglass is the same asa water clock, but sand is used here... View Article
Pure substances are obtained only after refining, filtration of any mixture. Various methods are involved in separating a mixture. To separate a... View Article
Which is greater - 2/9 or 0 0 is greater than -2/9. Negative integers have smaller than zero. Zero is neither negative nor positive. The numbers... View Article
The living organisms that live and feed on dead and decaying organisms are called saprophytes. The digestion process in saprophytes is a little... View Article
The type of change in which the physical properties of a material change. It can be changed in shape, state of matter, color, density, size,... View Article
When two lines meet each other at right angle then those lines are referred to as perpendicular lines. When a line intersects another line at... View Article
The branch of chemistry which deals with the conversion of chemical energy into electrical energy and vice versa is called electrochemistry. The... View Article
2Al+ Fe2O3 →2Fe + Al2O3 The given reaction is a redox reaction. As oxidation and reduction are taking place simultaneously. Oxidation According... View Article
Ultrasound is a sound wave comprising of frequency greater than the hearing frequency of a human being. The frequency of ultrasound is greater... View Article
The word Pi in mathematics is defined as the ratio of the diameter of a circle against its circumference. Pi is constant value, it indicates that... View Article
The process of obtaining food by amoeba is called Phagocytosis. Phagocytosis is the process by which a cell engulfs a particle and digests it.The... View Article
Answer: Given: Quadratic equation:2x² - 3x + k One of the zeros of 2x² - 3x + k is reciprocal to the other, Need to find: The value of k... View Article
