clive

This page lists questions and answers that were posted by visitors named clive.

Questions

The following questions were asked by visitors named clive.

Find the HCF and LCM of: 1 + 4x + 4x^2 - 16x^4.. ,1 + 2x - 8x^3 - 16x^4.., 16x^4 + 4x^2 + 1
10 years ago
Show that: sin^2(45 + A) + sin^2(45 - A ) = 1
10 years ago
Red sclae residue ( COPPER II ) partly dissolves in dilute acid to form a pale blue solution. Name the pale blue solution and give chemical equation to support your answer
10 years ago
Prove : 1 + Sin2A/ Cos2A = CosA + SinA / CosA- SinA
10 years ago
Copper dissolves in dilute acid ( H2so4) to form a pale blue solution Which of the following equation is correct 1) Cu + H2sO4-----> CuSO4 + h2 2) Cu + 2H2so4--->Cuso4 + 2H20 + 2SO2
10 years ago
Methane burns in air to give carbon dioxide and water. Give a chemical equation . Show(State ) how the mixtures of these gases can be separated
10 years ago
What would be the pH of a solution that liberates carbon dioxide from sodium carbonate. Give chemical equation and reason
10 years ago
How can DRY calcium carbonate be prepared from sodium carbonate? Na2Co3 + CaCl2 --- NaCL + CaCo3. but how to get dry calcium carbonate
10 years ago
carbon dioxide is moderately soluble in cold water but is completely boiled out if the water is boiled.Solubility increases rapidly with pressure. How is the above phenomenon used in the production of aerated drinks?
10 years ago
A and B can do a piece of work in 12 days. They started to work together but A left after a few days. If B alone worked for 20 days, the whole work was finished in 24 days. How long would A take to complete the work??? question is really confusing :/
9 years ago
In the preparation of ammonia, why should the mixture of ammonium chloride and calcium hydroxide be a paste, not dry powder?
9 years ago
A and B can do a piece of work in 10 days, B and C in 15 days, A and C in 12 days. A,B and C work together to finish the work. If they are paid $1500, how should the money be divided?
9 years ago
A and B take 18 days to complete a work. A left the work after 10 days and B takes 12 days more to complete the work. In how many days can A complete the whole work?
9 years ago
Given that 3rd Quartile (Q3) = 60 . The classes are : 0-10,10-20,20-30,30-40,40-50,50-60,60-7... 70-80,80-90 Now, IN which class does Q3 lie?? 50-60 or 60-70?
9 years ago
A(2,1) , B(4,3) and C(3,5) are the vertices of a triangle ABC. If r1 represents the reflection in X axis and r2 represents the reflection in the line x=5, find the image of triangle ABC under combined transformation r2 o r1. Should we perform r2 first or...
9 years ago
How can we increase the rate of change of magnetic flux? ( i want to check my answer)? Can it be : a) using a stronger magnet b) increasing the rate of movement of the conductor? are these correct?? both of them
9 years ago
x^2 + xy - Ky^2=0 , the angle made by the line pairs of this equation is 45 degree. I got the value of k as 0 and -2, do we need to reject k=0 and conclude our answer as k=-2 ?
9 years ago
What is the first step in the scientific method?
2 years ago

Answers

The following answers were posted by visitors named clive.

Thank you sir.. You made my day :D
10 years ago
Is Cu + 2H2So4 = Cuso4 + 2so2 + 2h20
10 years ago
no 2 obviously
10 years ago
powders are carbon and cupric oxide red sclae - copper pale blue solution - CuSO4 rest do by yourself
10 years ago
Thak you sir for all these momentous information. Can you help me with one more question. I have posted it just now sir. I have an important exam tomorrow The question being ; Methane burns in air to give carbon dioxide and water. Give a chemical equation...
10 years ago
thanks sir..
10 years ago
in limited air, what reaction does it undergo to form carbon MONOXIDE ?
10 years ago
Thank you so much. :D :D . I am very grateful towards you... :)
9 years ago
Thanks... can you help me with this question as well? A and B take 18 days to complete a work. A left the work after 10 days and B takes 12 days more to complete the work. In how many days can A complete the whole work?
9 years ago
so, it is wrong right? Is number b correct?
9 years ago
But I did it comparing with ax^2 + 2hxy + by^2=0 and got -2
9 years ago
People may get angry when they do not have they right
9 years ago
58
9 years ago
WHAT IS IT
2 years ago
hi bot
2 years ago
can you help me
2 years ago
hey bot is Theregodatboi right
2 years ago
hey bot
2 years ago
thx the bestanwsers 100 2025
2 years ago
hey bot
2 years ago
Consider the reaction represented by the space-fill models shown. Drag the correct label to each box. Blank 1 represents the substance(s) on the left. Blank 2 represents the arrow in the middle. Blank 3 represents the substance(s) on the right. (2 points)
2 years ago
Which of the following might a limited government be more likely to do than an unlimited government?
2 years ago
hey bot
2 years ago
Which of the following could provide definitive evidence of a chemical reaction? Choose two correct answers.(1 point)
2 years ago