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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Explain the term Minerals. - Science and Technology 1

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प्रश्न

Explain the term Minerals.

एका वाक्यात उत्तर

उत्तर

The compounds of metals that occur in nature along with the impurities are called minerals.

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पाठ 8: Metallurgy - Exercises [पृष्ठ १०९]

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बालभारती Science and Technology 1 [English] 10 Standard SSC Maharashtra State Board
पाठ 8 Metallurgy
Exercises | Q 4.3 | पृष्ठ १०९

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

Give an example of a metal which can be easily cut with a knife.


You are given a hammer, a battery, a bulb, wires and a switch.

  1. How could you use them to distinguish between samples of metals and non-metals?
  2. Assess the usefulness of these tests in distinguishing between metals and non-metals.

Fill in the blanks:

Phosphorus is a very _________ non-metal.


Which property of copper and aluminium makes them suitable for making electric wires?


Write the name and formulae of a non-metal hydride.


Which property of copper metal is utilised in making thin wires?


Name two metals which react violently with cold water. Write any three observations you would make when such a metal is dropped into water.


What is the nature of the oxide SO2? What happens when it is dissolved in water? Write the chemical equation of the reaction involved.


State any five physical properties of non-metals.


 Name two physical properties  of sodium  in which it's behaviour is not as expected from it's classification as metal.


"Is malleable and ductile". This best describes:
(a) a metal
(b) a compound
(c) a non-metal
(d) a solution


The electronic configurations of three elements A, B and C are as follows:

A 2, 8, 1
B 2, 8, 7
C 2, 4

(a) Which of these element is a metal?
(b) Which of these elements are non-metals?
(c) Which two elements will combine to form an ionic bond?
(d) Which two elements will combine to form a covalent bond?
(e) Which element will form an anion of valency 1?


Name a non-metal that is used to kill germs in water 


State any five physical properties of a non-metal.


Name:

two metallic oxides which are amphoteric


In which of the following industries, microbial enzymes are not used?
a) Glass industry.
b) Cheese industry
c) Tanning industry.
d) Paper industry.


Which metal occurs as a sulphide also gives the name of their respective ore.


Which metal occurs as an oxide also gives the name of their respective ore.


Complete the statement given below, by filling in the blank with the correct word:

The ability of a metal to produce a reasonant sound ______.


Select the appropriate option for the following statement:

The element which is noble gas and radioactive in nature.


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