Hot questions

0 votes

1 answer 253 views

Write down the concentration of each of the following solutions in g/L and mol/L. 4) 4.9 g H2SO4 in 200 mL solution

asked Apr 13, 2022 in Chapter 5 Acids, Bases and Salts by Doubtly (98.9k points)

0 votes

1 answer 197 views

Light of wavelength 6000A0 is incident on a slit of width 0.30 mm. The screen is placed 2 m away from the slit.

asked Apr 10, 2022 in Engineering Physics 2 by Doubtly (98.9k points)

0 votes

1 answer 166 views

Match the pairs and explain.

asked Apr 14, 2022 in Chapter 15 Life Processes in Living Organisms by Doubtly (98.9k points)

0 votes

1 answer 199 views

How will you prove experimentally that the graphite is a good conductor of electricity.

asked Apr 14, 2022 in Chapter 13 Carbon: An Important Element by Doubtly (98.9k points)

0 votes

1 answer 218 views

Write two physical properties of each. a) Diamond b) Charcoal: c) Fullerenes:

asked Apr 14, 2022 in Chapter 13 Carbon: An Important Element by Doubtly (98.9k points)

0 votes

1 answer 188 views

Select the proper options and complete the statement. (Single, all, double, ionic, carbon, give and take, hydrogen)

asked Apr 14, 2022 in Chapter 13 Carbon: An Important Element by Doubtly (98.9k points)

0 votes

1 answer 244 views

A litmus paper was dropped into 2ml dilute HCl. Then 2ml concentrated NaOH was added to it and stirred.

asked Apr 13, 2022 in Chapter 5 Acids, Bases and Salts by Doubtly (98.9k points)

0 votes

1 answer 224 views

Explain how the element sodium is monovalent.

asked Apr 11, 2022 in Chapter 4 Measurement of Matter by Doubtly (98.9k points)

0 votes

1 answer 432 views

The resistance of a conductor of length x is r. If its area of cross-section is a, what is its resistivity?

asked Apr 11, 2022 in Chapter 3 Current Electricity by Doubtly (98.9k points)

0 votes

1 answer 184 views

An object of height 7cm is kept at a distance of 25cm in front of a concave mirror. The focal length of the mirror is

asked Apr 14, 2022 in Chapter 11 Reflection of Light by Doubtly (98.9k points)

0 votes

1 answer 181 views

What is the weather and climate?

asked Apr 14, 2022 in Chapter 9 Environmental Management by Doubtly (98.9k points)

0 votes

1 answer 173 views

Methane is called as marsh gas.

asked Apr 14, 2022 in Chapter 13 Carbon: An Important Element by Doubtly (98.9k points)

0 votes

1 answer 210 views

What is an echo? What factors are important to get distinct echo?

asked Apr 14, 2022 in Chapter 12 Study of Sound by Doubtly (98.9k points)

0 votes

1 answer 227 views

State the differences. 1. Acids and bases

asked Apr 13, 2022 in Chapter 5 Acids, Bases and Salts by Doubtly (98.9k points)

0 votes

1 answer 236 views

What is the use of the function ‘imagetypes()’?

asked Apr 9, 2022 in PHP by Doubtly (98.9k points)

0 votes

1 answer 182 views

write uses of Radioactive substances

asked Apr 14, 2022 in Chapter 14 Substances in Common Use by Doubtly (98.9k points)

0 votes

1 answer 259 views

Which letters of the English alphabet form images that look the same as the original letters?

asked Apr 14, 2022 in Chapter 11 Reflection of Light by Doubtly (98.9k points)

0 votes

1 answer 204 views

Give examples Basic radicals

asked Apr 11, 2022 in Chapter 4 Measurement of Matter by Doubtly (98.9k points)

0 votes

1 answer 197 views

Find out the difference between Diamond and Graphite

asked Apr 13, 2022 in Chapter 9: Elements of Group 13, 14 and 15 by Doubtly (98.9k points)

0 votes

1 answer 183 views

write notes on Industrial waste.

asked Apr 14, 2022 in Chapter 9 Environmental Management by Doubtly (98.9k points)

Most popular tags