Question

following in one word / senten
1) Which metal burns easily?
2) Write Stunt of specifie resistance?
3) Whats Aqua regin?
4) What is the chemint formula of quick lime?
5) The system and or water conservation is related to which state?
0.5 Why does the colour of copper sulphate solution change when an iron nail is dipped in it?
"OR"
Oil and fac containing food items are fushed with nitrogen. Why?
0.6 What are Valence electrons?
"OR"
What are the limitations of Newland's Law of Octaves?
0.7 Write importance of DNA.
"OR"
How many types of pollination are there?
0.8 Write the salient feature of gene concept?
"OR"
What are vestigial organs?
Q.9 What is power of lens?
"OR"
What is meant by rarer and denser medium?
0.10 Why are decomposition reactions called the opposite of combination reaction? Write equations
for these reactions.
"OR"
Balance the following reactions
19 Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.
2) Barium chloride + Aluminium sulphate Barium sulphate + Aluminium chloride
3) Sodium + Water Sodium hydroxide + Hydrogen
Q.11 Write down uses of lenses.
"OR"
Why does the sun appear reddish early in the morning?
Q.12 State fleming's left hand rule.
"OR"
State fleming's right hand rule.
Q.13 Write Farday's law of electromagnetic induction?
"OR"
When does an electric short circuit occur?
Q.14 Write difference between nuclear fusion and nuclear fission?
"OR"​

Answer 1

Answer:

sorry I didn't know

Explanation:

Very hard =

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