The initial explanation for a phenomenon prior to experimentation is called a:

theory

law

hypothesis

rule

What's the name for when a solid changes right to a gas? What's the name for when a gas changes right into a solid?

Out of the three states of matter which cannot be compressed on applying pressure

How does an electromagnet create a magnetic field

Which of the following is an example of a genetically modified crop?

A travel mug of 91∘C coffee is left on the roof of a parked car on a cold winter day. The temperature of the coffee after t minutes is given by H=91 (2) - t/14. After how many minutes will the coffee be only lukewarm (30∘C) ?

The ksp of lead (ii) hydroxide, pb (oh) 2, is 1.43 * 10-20. calculate the solubility of this compound in g/l.

On earth, the weight of an object changes. TrueFalse

When 5 grams of KCl are dissolved in 50. grams of water at 25°C, the resulting mixture can be described as (1) heterogeneous and unsaturated (2) heterogeneous and supersaturated (3) homogeneous and unsaturated (4) homogeneous and supersaturated

How have water & wind shaped Earth's Surface?

Convert 14 kilograms to pounds